- 26 Jun, 2015 36 commits
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Kees Cook authored
To avoid having xenotime bounce when things like get_maintainers gives me addresses, add Randy's current address. Signed-off-by:
Kees Cook <keescook@chromium.org> Acked-by:
Randy Dunlap <rdunlap@infradead.org> Cc: Joe Perches <joe@perches.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Pratyush Anand authored
Mohit's email-id doesn't exist anymore as he has left the company. Replace ST's id with mohit.kumar.dhaka@gmail.com. Signed-off-by:
Pratyush Anand <pratyush.anand@gmail.com> Cc: Mohit Kumar <mohit.kumar.dhaka@gmail.com> Signed-off-by:
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Pratyush Anand authored
pratyush.anand@st.com email-id doesn't exist anymore as I have left the company. Replace ST's id with pratyush.anand@gmail.com. Signed-off-by:
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Daniel Borkmann authored
Cleanup commit 73679e50 ("compiler-intel.h: Remove duplicate definition") removed the double definition of __memory_barrier() intrinsics. However, in doing so, it also removed the preceding #undef barrier by accident, meaning, the actual barrier() macro from compiler-gcc.h with inline asm is still in place as __GNUC__ is provided. Subsequently, barrier() can never be defined as __memory_barrier() from compiler.h since it already has a definition in place and if we trust the comment in compiler-intel.h, ecc doesn't support gcc specific asm statements. I don't have an ecc at hand (unsure if that's still used in the field?) and only found this by accident during code review, a revert of that cleanup would be simplest option. Fixes: 73679e50 ("compiler-intel.h: Remove duplicate definition") Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Reviewed-by:
Pranith Kumar <bobby.prani@gmail.com> Cc: Pranith Kumar <bobby.prani@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: mancha security <mancha1@zoho.com> Signed-off-by:
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Joe Perches authored
As gcc major version numbers are going to advance rather rapidly in the future, there's no real value in separate files for each compiler version. Deduplicate some of the macros #defined in each file too. Neaten comments using normal kernel commenting style. Signed-off-by:
Joe Perches <joe@perches.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Segher Boessenkool <segher@kernel.crashing.org> Cc: Sasha Levin <levinsasha928@gmail.com> Cc: Anton Blanchard <anton@samba.org> Cc: Alan Modra <amodra@gmail.com> Signed-off-by:
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Joe Perches authored
- Move the inline and noinline blocks together - Comment neatening - Alignment of __attribute__ uses - Consistent naming of __must_be_array macro argument - Multiline macro neatening Signed-off-by:
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Iago López Galeiras authored
Commit 81841161 ("fs, proc: introduce /proc/<pid>/task/<tid>/children entry") introduced the children entry for checkpoint restore and the file is only available on kernels configured with CONFIG_EXPERT and CONFIG_CHECKPOINT_RESTORE. This is available in most distributions (Fedora, Debian, Ubuntu, CoreOS) because they usually enable CONFIG_EXPERT and CONFIG_CHECKPOINT_RESTORE. But Arch does not enable CONFIG_EXPERT or CONFIG_CHECKPOINT_RESTORE. However, the children proc file is useful outside of checkpoint restore. I would like to use it in rkt. The rkt process exec() another program it does not control, and that other program will fork()+exec() a child process. I would like to find the pid of the child process from an external tool without iterating in /proc over all processes to find which one has a parent pid equal to rkt. This commit introduces CONFIG_PROC_CHILDREN and makes CONFIG_CHECKPOINT_RESTORE select it. This allows enabling /proc/<pid>/task/<tid>/children without needing to enable CONFIG_CHECKPOINT_RESTORE and CONFIG_EXPERT. Alban tested that /proc/<pid>/task/<tid>/children is present when the kernel is configured with CONFIG_PROC_CHILDREN=y but without CONFIG_CHECKPOINT_RESTORE Signed-off-by:
Iago López Galeiras <iago@endocode.com> Tested-by:
Alban Crequy <alban@endocode.com> Reviewed-by:
Cyrill Gorcunov <gorcunov@openvz.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Kees Cook <keescook@chromium.org> Cc: Pavel Emelyanov <xemul@parallels.com> Cc: Serge Hallyn <serge.hallyn@canonical.com> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Djalal Harouni <djalal@endocode.com> Signed-off-by:
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Alexey Dobriyan authored
/proc/$PID/cmdline truncates output at PAGE_SIZE. It is easy to see with $ cat /proc/self/cmdline $(seq 1037) 2>/dev/null However, command line size was never limited to PAGE_SIZE but to 128 KB and relatively recently limitation was removed altogether. People noticed and ask questions: http://stackoverflow.com/questions/199130/how-do-i-increase-the-proc-pid-cmdline-4096-byte-limit seq file interface is not OK, because it kmalloc's for whole output and open + read(, 1) + sleep will pin arbitrary amounts of kernel memory. To not do that, limit must be imposed which is incompatible with arbitrary sized command lines. I apologize for hairy code, but this it direct consequence of command line layout in memory and hacks to support things like "init [3]". The loops are "unrolled" otherwise it is either macros which hide control flow or functions with 7-8 arguments with equal line count. There should be real setproctitle(2) or something. [akpm@linux-foundation.org: fix a billion min() warnings] Signed-off-by:
Alexey Dobriyan <adobriyan@gmail.com> Tested-by:
Jarod Wilson <jarod@redhat.com> Acked-by:
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Alexey Dobriyan authored
Individual prctl(PR_SET_MM_*) calls do some checking to maintain a consistent view of mm->arg_start et al fields, but not enough. In particular PR_SET_MM_ARG_START/PR_SET_MM_ARG_END/ R_SET_MM_ENV_START/ PR_SET_MM_ENV_END only check that the address lies in an existing VMA, but don't check that the start address is lower than the end address _at all_. Consolidate all consistency checks, so there will be no difference in the future between PR_SET_MM_MAP and individual PR_SET_MM_* calls. The program below makes both ARGV and ENVP areas be reversed. It makes /proc/$PID/cmdline show garbage (it doesn't oops by luck). #include <sys/mman.h> #include <sys/prctl.h> #include <unistd.h> enum {PAGE_SIZE=4096}; int main(void) { void *p; p = mmap(NULL, PAGE_SIZE, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); #define PR_SET_MM 35 #define PR_SET_MM_ARG_START 8 #define PR_SET_MM_ARG_END 9 #define PR_SET_MM_ENV_START 10 #define PR_SET_MM_ENV_END 11 prctl(PR_SET_MM, PR_SET_MM_ARG_START, (unsigned long)p + PAGE_SIZE - 1, 0, 0); prctl(PR_SET_MM, PR_SET_MM_ARG_END, (unsigned long)p, 0, 0); prctl(PR_SET_MM, PR_SET_MM_ENV_START, (unsigned long)p + PAGE_SIZE - 1, 0, 0); prctl(PR_SET_MM, PR_SET_MM_ENV_END, (unsigned long)p, 0, 0); pause(); return 0; } [akpm@linux-foundation.org: tidy code, tweak comment] Signed-off-by: -
Akinobu Mita authored
This replaces the plain loop over the sglist array with for_each_sg() macro which consists of sg_next() function calls. Since avr32 doesn't select ARCH_HAS_SG_CHAIN, it is not necessary to use for_each_sg() in order to loop over each sg element. But this can help find problems with drivers that do not properly initialize their sg tables when CONFIG_DEBUG_SG is enabled. Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Acked-by:
Hans-Christian Egtvedt <egtvedt@samfundet.no> Signed-off-by:
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Akinobu Mita authored
This replaces the plain loop over the sglist array with for_each_sg() macro which consists of sg_next() function calls. Since frv doesn't select ARCH_HAS_SG_CHAIN, it is not necessary to use for_each_sg() in order to loop over each sg element. But this can help find problems with drivers that do not properly initialize their sg tables when CONFIG_DEBUG_SG is enabled. Signed-off-by:
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Tobias Klauser authored
The function is not used anywhere in the tree (anymore) and this is the last remaining instance, so remove it. Signed-off-by:
Tobias Klauser <tklauser@distanz.ch> Cc: David Howells <dhowells@redhat.com> Signed-off-by:
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Dan Streetman authored
Remove zpool_evict() helper function. As zbud is currently the only zpool implementation that supports eviction, add zpool and zpool_ops references to struct zbud_pool and directly call zpool_ops->evict(zpool, handle) on eviction. Currently zpool provides the zpool_evict helper which locks the zpool list lock and searches through all pools to find the specific one matching the caller, and call the corresponding zpool_ops->evict function. However, this is unnecessary, as the zbud pool can simply keep a reference to the zpool that created it, as well as the zpool_ops, and directly call the zpool_ops->evict function, when it needs to evict a page. This avoids a spinlock and list search in zpool for each eviction. Signed-off-by:
Dan Streetman <ddstreet@ieee.org> Cc: Seth Jennings <sjennings@variantweb.net> Cc: Minchan Kim <minchan@kernel.org> Cc: Nitin Gupta <ngupta@vflare.org> Signed-off-by:
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Dan Streetman authored
Change the pr_info() calls to pr_debug(). There's no need for the extra verbosity in the log. Also change the msg formats to be consistent. Signed-off-by:
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Dan Streetman authored
Change the "enabled" parameter to be configurable at runtime. Remove the enabled check from init(), and move it to the frontswap store() function; when enabled, pages will be stored, and when disabled, pages won't be stored. This is almost identical to Seth's patch from 2 years ago: http://lkml.iu.edu/hypermail/linux/kernel/1307.2/04289.html [akpm@linux-foundation.org: tweak documentation] Signed-off-by:
Seth Jennings <sjennings@variantweb.net> Signed-off-by:
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Sergey Senozhatsky authored
Improvement idea by Marcin Jabrzyk. comp_algorithm_store() silently accepts any supplied algorithm name, because zram performs algorithm availability check later, during the device configuration phase in disksize_store() and emits the following error: "zram: Cannot initialise %s compressing backend" this error line is somewhat generic and, besides, can indicate a failed attempt to allocate compression backend's working buffers. add algorithm availability check to comp_algorithm_store(): echo lzz > /sys/block/zram0/comp_algorithm -bash: echo: write error: Invalid argument Signed-off-by:
Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Reported-by:
Marcin Jabrzyk <m.jabrzyk@samsung.com> Acked-by:
Minchan Kim <minchan@kernel.org> Cc: Nitin Gupta <ngupta@vflare.org> Signed-off-by:
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Sergey Senozhatsky authored
Supplied sysfs values sometimes contain new-line symbols (echo vs. echo -n), which we also copy as a compression algorithm name. it works fine when we lookup for compression algorithm, because we use sysfs_streq() which takes care of new line symbols. however, it doesn't look nice when we print compression algorithm name if zcomp_create() failed: zram: Cannot initialise LXZ compressing backend cut trailing new-line, so the error string will look like zram: Cannot initialise LXZ compressing backend we also now can replace sysfs_streq() in zcomp_available_show() with strcmp(). Signed-off-by: -
Sergey Senozhatsky authored
`bool locked' local variable tells us if we should perform zcomp_strm_release() or not (jumped to `out' label before zcomp_strm_find() occurred), which is equivalent to `zstrm' being or not being NULL. remove `locked' and check `zstrm' instead. Signed-off-by:
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Sergey Senozhatsky authored
We currently don't support on-demand device creation. The one and only way to have N zram devices is to specify num_devices module parameter (default value: 1). IOW if, for some reason, at some point, user wants to have N + 1 devies he/she must umount all the existing devices, unload the module, load the module passing num_devices equals to N + 1. And do this again, if needed. This patch introduces zram control sysfs class, which has two sysfs attrs: - hot_add -- add a new zram device - hot_remove -- remove a specific (device_id) zram device hot_add sysfs attr is read-only and has only automatic device id assignment mode (as requested by Minchan Kim). read operation performed on this attr creates a new zram device and returns back its device_id or error status. Usage example: # add a new specific zram device cat /sys/class/zram-control/hot_add 2 # remove a specific zram device echo 4 > /sys/class/zram-control/hot_remove Returning zram_add() error code back to user (-ENOMEM in this case) cat /sys/class/zram-control/hot_add cat: /sys/class/zram-control/hot_add: Cannot allocate memory NOTE, there might be users who already depend on the fact that at least zram0 device gets always created by zram_init(). Preserve this behavior. [minchan@kernel.org: use zram->claim to avoid lockdep splat] Signed-off-by:
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Sergey Senozhatsky authored
[ Original patch from Minchan Kim <minchan@kernel.org> ] Commit ba6b17d6 ("zram: fix umount-reset_store-mount race condition") introduced bdev->bd_mutex to protect a race between mount and reset. At that time, we don't have dynamic zram-add/remove feature so it was okay. However, as we introduce dynamic device feature, bd_mutex became trouble. CPU 0 echo 1 > /sys/block/zram<id>/reset -> kernfs->s_active(A) -> zram:reset_store->bd_mutex(B) CPU 1 echo <id> > /sys/class/zram/zram-remove ->zram:zram_remove: bd_mutex(B) -> sysfs_remove_group -> kernfs->s_active(A) IOW, AB -> BA deadlock The reason we are holding bd_mutex for zram_remove is to prevent any incoming open /dev/zram[0-9]. Otherwise, we could remove zram others already have opened. But it causes above deadlock problem. To fix the problem, this patch overrides block_device.open and it returns -EBUSY if zram asserts he claims zram to reset so any incoming open will be failed so we don't need to hold bd_mutex for zram_remove ayn more. This patch is to prepare for zram-add/remove feature. [sergey.senozhatsky@gmail.com: simplify reset_store()] Signed-off-by:
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Sergey Senozhatsky authored
This patch prepares zram to enable on-demand device creation. zram_add() performs automatic device_id assignment and returns new device id (>= 0) or error code (< 0). Signed-off-by:
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Sergey Senozhatsky authored
We don't have meta->tb_lock anymore and use meta table entry bit_spin_lock instead. update corresponding comment. Signed-off-by:
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Sergey Senozhatsky authored
With dynamic device creation/removal (which will be introduced later in the series) printing num_devices in zram_init() will not make a lot of sense, as well as printing the number of destroyed devices in destroy_devices(). Print per-device action (added/removed) in zram_add() and zram_remove() instead. Example: [ 3645.259652] zram: Added device: zram5 [ 3646.152074] zram: Added device: zram6 [ 3650.585012] zram: Removed device: zram5 [ 3655.845584] zram: Added device: zram8 [ 3660.975223] zram: Removed device: zram6 Signed-off-by:
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Sergey Senozhatsky authored
Limiting the number of zram devices to 32 (default max_num_devices value) is confusing, let's drop it. A user with 2TB or 4TB of RAM, for example, can request as many devices as he can handle. Signed-off-by:
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Sergey Senozhatsky authored
This patch looks big, but basically it just moves code blocks. No functional changes. Our current code layout looks like a sandwitch. For example, a) between read/write handlers, we have update_used_max() helper function: static int zram_decompress_page static int zram_bvec_read static inline void update_used_max static int zram_bvec_write static int zram_bvec_rw b) RW request handlers __zram_make_request/zram_bio_discard are divided by sysfs attr reset_store() function and corresponding zram_reset_device() handler: static void zram_bio_discard static void zram_reset_device static ssize_t disksize_store static ssize_t reset_store static void __zram_make_request c) we first a bunch of sysfs read/store functions. then a number of one-liners, then helper functions, RW functions, sysfs functions, helper functions again, and so on. Reorganize layout to be more logically grouped (a brief description, `cat zram_drv.c | grep static` gives a bigger picture): -- one-liners: zram_test_flag/etc. -- helpers: is_partial_io/update_position/etc -- sysfs attr show/store functions + ZRAM_ATTR_RO() generated stats show() functions exception: reset and disksize store functions are required to be after meta() functions. because we do device create/destroy actions in these sysfs handlers. -- "mm" functions: meta get/put, meta alloc/free, page free static inline bool zram_meta_get static inline void zram_meta_put static void zram_meta_free static struct zram_meta *zram_meta_alloc static void zram_free_page -- a block of I/O functions static int zram_decompress_page static int zram_bvec_read static int zram_bvec_write static void zram_bio_discard static int zram_bvec_rw static void __zram_make_request static void zram_make_request static void zram_slot_free_notify static int zram_rw_page -- device contol: add/remove/init/reset functions (+zram-control class will sit here) static int zram_reset_device static ssize_t reset_store static ssize_t disksize_store static int zram_add static void zram_remove static int __init zram_init static void __exit zram_exit Signed-off-by:
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Sergey Senozhatsky authored
This patch makes some preparations for on-demand device add/remove functionality. Remove `zram_devices' array and switch to id-to-pointer translation (idr). idr doesn't bloat zram struct with additional members, f.e. list_head, yet still provides ability to match the device_id with the device pointer. No user-space visible changes. [Julia.Lawall@lip6.fr: return -ENOMEM when `queue' alloc fails] Signed-off-by:
Julia Lawall <Julia.Lawall@lip6.fr> Acked-by:
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Sergey Senozhatsky authored
Fix a misplaced backslash. Signed-off-by:
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Sergey Senozhatsky authored
We currently don't support zram on-demand device creation. The only way to have N zram devices is to specify num_devices module parameter (default value 1). That means that if, for some reason, at some point, user wants to have N + 1 devies he/she must umount all the existing devices, unload the module, load the module passing num_devices equals to N + 1. This patchset introduces zram-control sysfs class, which has two sysfs attrs: - hot_add -- add a new zram device - hot_remove -- remove a specific (device_id) zram device Usage example: # add a new specific zram device cat /sys/class/zram-control/hot_add 1 # remove a specific zram device echo 4 > /sys/class/zram-control/hot_remove This patch (of 10): Briefly describe missing `compact` sysfs entry. Signed-off-by: -
Marcin Jabrzyk authored
The DEBUG define in zsmalloc is useless, there is no usage of it at all. Signed-off-by:
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Nitin Gupta <ngupta@vflare.org> Signed-off-by:
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Marcin Jabrzyk authored
This config option doesn't provide any usage for zram. Signed-off-by:
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Dominik Dingel authored
With making HPAGE_SHIFT an unsigned integer we also accidentally changed pageblock_order. In order to avoid compiler warnings we make HPAGE_SHFIT an int again. Signed-off-by:
Dominik Dingel <dingel@linux.vnet.ibm.com> Suggested-by:
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Dominik Dingel authored
We already do the check in pmd_large, so we can just forward the call. Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by:
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Dominik Dingel authored
We now support only hugepages on hardware with EDAT1 support. So we remove the prepare/release_hugepage hooks and simplify set_huge_pte_at and huge_ptep_get. Signed-off-by:
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Dominik Dingel authored
Nobody used these hooks so they were removed from common code, and can now be removed from the architectures. Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by:
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Dominik Dingel authored
With s390 dropping support for emulated hugepages, the last user of arch_prepare_hugepage and arch_release_hugepage is gone. Signed-off-by:
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Dominik Dingel authored
There is a potential bug with KVM and hugetlbfs if the hardware does not support hugepages (EDAT1). We fix this by making EDAT1 a hard requirement for hugepages and therefore removing and simplifying code. As s390, with the sw-emulated hugepages, was the only user of arch_prepare/release_hugepage I also removed theses calls from common and other architecture code. This patch (of 5): By dropping support for hugepages on machines which do not have the hardware feature EDAT1, we fix a potential s390 KVM bug. The bug would happen if a guest is backed by hugetlbfs (not supported currently), but does not get pagetables with PGSTE. This would lead to random memory overwrites. Signed-off-by:
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- 25 Jun, 2015 4 commits
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Linus Torvalds authored
Merge first patchbomb from Andrew Morton: - a few misc things - ocfs2 udpates - kernel/watchdog.c feature work (took ages to get right) - most of MM. A few tricky bits are held up and probably won't make 4.2. * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (91 commits) mm: kmemleak_alloc_percpu() should follow the gfp from per_alloc() mm, thp: respect MPOL_PREFERRED policy with non-local node tmpfs: truncate prealloc blocks past i_size mm/memory hotplug: print the last vmemmap region at the end of hot add memory mm/mmap.c: optimization of do_mmap_pgoff function mm: kmemleak: optimise kmemleak_lock acquiring during kmemleak_scan mm: kmemleak: avoid deadlock on the kmemleak object insertion error path mm: kmemleak: do not acquire scan_mutex in kmemleak_do_cleanup() mm: kmemleak: fix delete_object_*() race when called on the same memory block mm: kmemleak: allow safe memory scanning during kmemleak disabling memcg: convert mem_cgroup->under_oom from atomic_t to int memcg: remove unused mem_cgroup->oom_wakeups frontswap: allow multiple backends x86, mirror: x86 enabling - find mirrored memory ranges mm/memblock: allocate boot time data structures from mirrored memory mm/memblock: add extra "flags" to memblock to allow selection of memory based on attribute mm: do not ignore mapping_gfp_mask in page cache allocation paths mm/cma.c: fix typos in comments mm/oom_kill.c: print points as unsigned int mm/hugetlb: handle races in alloc_huge_page and hugetlb_reserve_pages ...
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linuxLinus Torvalds authored
Pull pstore updates from Tony Luck: "Miscellaneous pstore improvements" * tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: ramoops: make it possible to change mem_type param. pstore/ram: verify ramoops header before saving record fs/pstore: Optimization function ramoops_init_przs fs/pstore: update the backend parameter in pstore module pstore: do not use message compression without lock
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fsLinus Torvalds authored
Pull f2fs updates from Jaegeuk Kim: "New features: - per-file encryption (e.g., ext4) - FALLOC_FL_ZERO_RANGE - FALLOC_FL_COLLAPSE_RANGE - RENAME_WHITEOUT Major enhancement/fixes: - recovery broken superblocks - enhance f2fs_trim_fs with a discard_map - fix a race condition on dentry block allocation - fix a deadlock during summary operation - fix a missing fiemap result .. and many minor bug fixes and clean-ups were done" * tag 'for-f2fs-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (83 commits) f2fs: do not trim preallocated blocks when truncating after i_size f2fs crypto: add alloc_bounce_page f2fs crypto: fix to handle errors likewise ext4 f2fs: drop the volatile_write flag only f2fs: skip committing valid superblock f2fs: setting discard option in parse_options() f2fs: fix to return exact trimmed size f2fs: support FALLOC_FL_INSERT_RANGE f2fs: hide common code in f2fs_replace_block f2fs: disable the discard option when device doesn't support f2fs crypto: remove alloc_page for bounce_page f2fs: fix a deadlock for summary page lock vs. sentry_lock f2fs crypto: clean up error handling in f2fs_fname_setup_filename f2fs crypto: avoid f2fs_inherit_context for symlink f2fs crypto: do not set encryption policy for non-directory by ioctl f2fs crypto: allow setting encryption policy once f2fs crypto: check context consistent for rename2 f2fs: avoid duplicated code by reusing f2fs_read_end_io f2fs crypto: use per-inode tfm structure f2fs: recovering broken superblock during mount ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fsLinus Torvalds authored
Pull UDF fixes and cleanups from Jan Kara: "The contains some small fixes and improvements in error handling for UDF. Bundled is also one ext3 coding style fix and a fix in quota documentation" * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: udf: fix udf_load_pvoldesc() udf: remove double err declaration in udf_file_write_iter() UDF: support NFSv2 export fs: ext3: super: fixed a space coding style issue quota: Update documentation udf: Return error from udf_find_entry() udf: Make udf_get_filename() return error instead of 0 length file name udf: bug on exotic flag in udf_get_filename() udf: improve error management in udf_CS0toNLS() udf: improve error management in udf_CS0toUTF8() udf: unicode: update function name in comments udf: remove unnecessary test in udf_build_ustr_exact() udf: Return -ENOMEM when allocation fails in udf_get_filename()
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