- 16 Jun, 2011 28 commits
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Rafael Aquini authored
When 1GB hugepages are allocated on a system, free(1) reports less available memory than what really is installed in the box. Also, if the total size of hugepages allocated on a system is over half of the total memory size, CommitLimit becomes a negative number. The problem is that gigantic hugepages (order > MAX_ORDER) can only be allocated at boot with bootmem, thus its frames are not accounted to 'totalram_pages'. However, they are accounted to hugetlb_total_pages() What happens to turn CommitLimit into a negative number is this calculation, in fs/proc/meminfo.c: allowed = ((totalram_pages - hugetlb_total_pages()) * sysctl_overcommit_ratio / 100) + total_swap_pages; A similar calculation occurs in __vm_enough_memory() in mm/mmap.c. Also, every vm statistic which depends on 'totalram_pages' will render confusing values, as if system were 'missing' some part of its memory. Impact of this bug: When gigantic hugepages are allocated and sysctl_overcommit_memory == OVERCOMMIT_NEVER. In a such situation, __vm_enough_memory() goes through the mentioned 'allowed' calculation and might end up mistakenly returning -ENOMEM, thus forcing the system to start reclaiming pages earlier than it would be ususal, and this could cause detrimental impact to overall system's performance, depending on the workload. Besides the aforementioned scenario, I can only think of this causing annoyances with memory reports from /proc/meminfo and free(1). [akpm@linux-foundation.org: standardize comment layout] Reported-by:Russ Anderson <rja@sgi.com> Signed-off-by:
Rafael Aquini <aquini@linux.com> Acked-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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KAMEZAWA Hiroyuki authored
During memory hotplug we refresh zonelists when we online a page in a new zone. It means that the node's zonelist is not initialized until pages are onlined. So for example, "nid" passed by MEM_GOING_ONLINE notifier will point to NODE_DATA(nid) which has no zone fallback list. Moreover, if we hot-add cpu-only nodes, alloc_pages() will do no fallback. This patch makes a zonelist when a new pgdata is available. Note: in production, at fujitsu, memory should be onlined before cpu and our server didn't have any memory-less nodes and had no problems. But recent changes in MEM_GOING_ONLINE+page_cgroup will access not initialized zonelist of node. Anyway, there are memory-less node and we need some care. Signed-off-by:KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by:
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Borislav Petkov authored
Remove calibrate_delay_direct()'s KERN_DEBUG printk related to bogomips calculation as it appears when booting every core on setups with 'ignore_loglevel' which dmesg people scan for possible issues. As the message doesn't show very useful information to the widest audience of kernel boot message gazers, it should be removed. Introduced by commit d2b46313 ("init/calibrate.c: fix for critical bogoMIPS intermittent calculation failure"). Signed-off-by:
Borislav Petkov <borislav.petkov@amd.com> Cc: Andrew Worsley <amworsley@gmail.com> Cc: Phil Carmody <ext-phil.2.carmody@nokia.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by:
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Geert Uytterhoeven authored
On m68k (which doesn't support generic hardirqs yet): drivers/w1/masters/ds1wm.c: In function `ds1wm_probe': drivers/w1/masters/ds1wm.c: error: implicit declaration of function `irq_set_irq_type' Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: Jean-Franois Dagenais <dagenaisj@sonatest.com> Cc: Matt Reimer <mreimer@vpop.net> Signed-off-by:
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Nicolas Kaiser authored
Signed-off-by:
Nicolas Kaiser <nikai@nikai.net> Reviewed-by:
Andrea Arcangeli <aarcange@redhat.com> Signed-off-by:
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Pawel Osciak authored
Add maintainers for the videobuf2 V4L2 driver framework. Signed-off-by:
Pawel Osciak <pawel@osciak.com> Acked-by:
Marek Szyprowski <m.szyprowski@samsung.com> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Signed-off-by:
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Uwe Kleine-König authored
Commit 4440673a ("leds: provide helper to register "leds-gpio" devices") broke the display of the NEW_LEDS menu as it didn't depend on NEW_LEDS and so made "LED drivers" and "LED Triggers" appear at the same level as "LED Support" instead of below it as it was before 4440673a. Moving LEDS_GPIO_REGISTER out of the menuconfig NEW_LEDS fixes this unintended side effect. Reported-by:
Axel Lin <axel.lin@gmail.com> Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Axel Lin authored
We call led_classdev_unregister/led_classdev_register in asic3_led_remove/asic3_led_probe, thus make LEDS_ASIC3 depend on LEDS_CLASS. This patch fixes below build error if LEDS_CLASS is not configured. LD .tmp_vmlinux1 drivers/built-in.o: In function `asic3_led_remove': clkdev.c:(.devexit.text+0x1860): undefined reference to `led_classdev_unregister' drivers/built-in.o: In function `asic3_led_probe': clkdev.c:(.devinit.text+0xcee8): undefined reference to `led_classdev_register' make: *** [.tmp_vmlinux1] Error 1 Signed-off-by: -
Balbir Singh authored
Update my email address. Email will start to the old address bouncing soon Signed-off-by:
Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Balbir Singh <bsingharora@gmail.com> Signed-off-by:
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Josh Triplett authored
The "hostname" tool falls back to setting the hostname to "localhost" if /etc/hostname does not exist. Distribution init scripts have the same fallback. However, if userspace never calls sethostname, such as when booting with init=/bin/sh, or otherwise booting a minimal system without the usual init scripts, the default hostname of "(none)" remains, unhelpfully appearing in various places such as prompts ("root@(none):~#") and logs. Furthermore, "(none)" doesn't typically resolve to anything useful. Make the default hostname configurable. This removes the need for the standard fallback, provides a useful default for systems that never call sethostname, and makes minimal systems that much more useful with less configuration. Distributions could choose to use "localhost" here to avoid the fallback, while embedded systems may wish to use a specific target hostname. Signed-off-by:Josh Triplett <josh@joshtriplett.org> Acked-by:
David Miller <davem@davemloft.net> Cc: Serge Hallyn <serue@us.ibm.com> Cc: Kel Modderman <kel@otaku42.de> Signed-off-by:
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Dr. David Alan Gilbert authored
BUILD_BUG_ON_ZERO and BUILD_BUG_ON_NULL must return values, even in the CHECKER case otherwise various users of it become syntactically invalid. Signed-off-by:
Dr. David Alan Gilbert <linux@treblig.org> Reviewed-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by:
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Michal Hocko authored
Commit 56de7263 ("mm: compaction: direct compact when a high-order allocation fails") introduced a check for cc->order == -1 in compact_finished. We should continue compacting in that case because the request came from userspace and there is no particular order to compact for. Similar check has been added by 82478fb7 (mm: compaction: prevent division-by-zero during user-requested compaction) for compaction_suitable. The check is, however, done after zone_watermark_ok which uses order as a right hand argument for shifts. Not only watermark check is pointless if we can break out without it but it also uses 1 << -1 which is not well defined (at least from C standard). Let's move the -1 check above zone_watermark_ok. [minchan.kim@gmail.com> - caught compaction_suitable] Signed-off-by:
Michal Hocko <mhocko@suse.cz> Cc: Mel Gorman <mgorman@suse.de> Reviewed-by:
Minchan Kim <minchan.kim@gmail.com> Reviewed-by:
KAMEZAWA Hiroyuki <kamezawa.hioryu@jp.fujitsu.com> Acked-by:
Mel Gorman <mgorman@suse.de> Signed-off-by:
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Steven Rostedt authored
Running a ktest.pl test, I hit the following bug on x86_32: ------------[ cut here ]------------ WARNING: at arch/x86/mm/highmem_32.c:81 __kunmap_atomic+0x64/0xc1() Hardware name: Modules linked in: Pid: 93, comm: sh Not tainted 2.6.39-test+ #1 Call Trace: [<c04450da>] warn_slowpath_common+0x7c/0x91 [<c042f5df>] ? __kunmap_atomic+0x64/0xc1 [<c042f5df>] ? __kunmap_atomic+0x64/0xc1^M [<c0445111>] warn_slowpath_null+0x22/0x24 [<c042f5df>] __kunmap_atomic+0x64/0xc1 [<c04d4a22>] unmap_vmas+0x43a/0x4e0 [<c04d9065>] exit_mmap+0x91/0xd2 [<c0443057>] mmput+0x43/0xad [<c0448358>] exit_mm+0x111/0x119 [<c044855f>] do_exit+0x1ff/0x5fa [<c0454ea2>] ? set_current_blocked+0x3c/0x40 [<c0454f24>] ? sigprocmask+0x7e/0x8e [<c0448b55>] do_group_exit+0x65/0x88 [<c0448b90>] sys_exit_group+0x18/0x1c [<c0c3915f>] sysenter_do_call+0x12/0x38 ---[ end trace 8055f74ea3c0eb62 ]--- Running a ktest.pl git bisect, found the culprit: commit e303297e ("mm: extended batches for generic mmu_gather") But although this was the commit triggering the bug, it was not the one originally responsible for the bug. That was commit d16dfc55 ("mm: mmu_gather rework"). The code in zap_pte_range() has something that looks like the following: pte = pte_offset_map_lock(mm, pmd, addr, &ptl); do { [...] } while (pte++, addr += PAGE_SIZE, addr != end); pte_unmap_unlock(pte - 1, ptl); The pte starts off pointing at the first element in the page table directory that was returned by the pte_offset_map_lock(). When it's done with the page, pte will be pointing to anything between the next entry and the first entry of the next page inclusive. By doing a pte - 1, this puts the pte back onto the original page, which is all that pte_unmap_unlock() needs. In most archs (64 bit), this is not an issue as the pte is ignored in the pte_unmap_unlock(). But on 32 bit archs, where things may be kmapped, it is essential that the pte passed to pte_unmap_unlock() resides on the same page that was given by pte_offest_map_lock(). The problem came in d16dfc55 ("mm: mmu_gather rework") where it introduced a "break;" from the while loop. This alone did not seem to easily trigger the bug. But the modifications made by e303297e caused that "break;" to be hit on the first iteration, before the pte++. The pte not being incremented will now cause pte_unmap_unlock(pte - 1) to be pointing to the previous page. This will cause the wrong page to be unmapped, and also trigger the warning above. The simple solution is to just save the pointer given by pte_offset_map_lock() and use it in the unlock. Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by:
Hugh Dickins <hughd@google.com> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by:
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Christian Gmeiner authored
Fix the wrong `if' condition for the check if the requested timer is available. The bitmap avail is used to store if a timer is used already. test_bit() is used to check if the requested timer is available. If a bit in the avail bitmap is set it means that the timer is available. The runtime effect would be that allocating a specific timer always fails (versus telling cs5535_mfgpt_alloc_timer to allocate the first available timer, which works). Signed-off-by:
Christian Gmeiner <christian.gmeiner@gmail.com> Acked-by:
Andres Salomon <dilinger@queued.net> Signed-off-by:
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Axel Lin authored
In the case of goto err_kzalloc, we should kfree target. Signed-off-by:
Pratyush Anand <pratyush.anand@st.com> Signed-off-by:
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KOSAKI Motohiro authored
Recently, Robert Mueller reported (http://lkml.org/lkml/2010/9/12/236) that zone_reclaim_mode doesn't work properly on his new NUMA server (Dual Xeon E5520 + Intel S5520UR MB). He is using Cyrus IMAPd and it's built on a very traditional single-process model. * a master process which reads config files and manages the other process * multiple imapd processes, one per connection * multiple pop3d processes, one per connection * multiple lmtpd processes, one per connection * periodical "cleanup" processes. There are thousands of independent processes. The problem is, recent Intel motherboard turn on zone_reclaim_mode by default and traditional prefork model software don't work well on it. Unfortunatelly, such models are still typical even in the 21st century. We can't ignore them. This patch raises the zone_reclaim_mode threshold to 30. 30 doesn't have any specific meaning. but 20 means that one-hop QPI/Hypertransport and such relatively cheap 2-4 socket machine are often used for traditional servers as above. The intention is that these machines don't use zone_reclaim_mode. Note: ia64 and Power have arch specific RECLAIM_DISTANCE definitions. This patch doesn't change such high-end NUMA machine behavior. Dave Hansen said: : I know specifically of pieces of x86 hardware that set the information : in the BIOS to '21' *specifically* so they'll get the zone_reclaim_mode : behavior which that implies. : : They've done performance testing and run very large and scary benchmarks : to make sure that they _want_ this turned on. What this means for them : is that they'll probably be de-optimized, at least on newer versions of : the kernel. : : If you want to do this for particular systems, maybe _that_'s what we : should do. Have a list of specific configurations that need the : defaults overridden either because they're buggy, or they have an : unusual hardware configuration not really reflected in the distance : table. And later said: : The original change in the hardware tables was for the benefit of a : benchmark. Said benchmark isn't going to get run on mainline until the : next batch of enterprise distros drops, at which point the hardware where : this was done will be irrelevant for the benchmark. I'm sure any new : hardware will just set this distance to another yet arbitrary value to : make the kernel do what it wants. :) : : Also, when the hardware got _set_ to this initially, I complained. So, I : guess I'm getting my way now, with this patch. I'm cool with it. Reported-by:
Robert Mueller <robm@fastmail.fm> Signed-off-by:
Christoph Lameter <cl@linux.com> Acked-by:
David Rientjes <rientjes@google.com> Reviewed-by:
Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by:
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Joe Perches authored
Warn about uses of printk_ratelimit() because it uses a global state and can hide subsequent useful messages. Signed-off-by:
Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Richard Weinberger <richard@nod.at> Signed-off-by:
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Randy Dunlap authored
Fix <linux/kmsg_dump.h> when CONFIG_PRINTK is not enabled: include/linux/kmsg_dump.h:56: error: 'EINVAL' undeclared (first use in this function) include/linux/kmsg_dump.h:61: error: 'EINVAL' undeclared (first use in this function) Looks like commit 595dd3d8 ("kmsg_dump: fix build for CONFIG_PRINTK=n") uses EINVAL without having the needed header file(s), but I'm sure that I build tested that patch also. oh well. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Ying Han authored
[akpm@linux-foundation.org: rework text, fit it into 80-cols] Signed-off-by:
Ying Han <yinghan@google.com> Reviewed-by:
Balbir Singh <bsingharora@gmail.com> Acked-by:
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KOSAKI Motohiro authored
While testing for memcg aware swap token, I observed a swap token was often grabbed an intermittent running process (eg init, auditd) and they never release a token. Why? Some processes (eg init, auditd, audispd) wake up when a process exiting. And swap token can be get first page-in process when a process exiting makes no swap token owner. Thus such above intermittent running process often get a token. And currently, swap token priority is only decreased at page fault path. Then, if the process sleep immediately after to grab swap token, the swap token priority never be decreased. That's obviously undesirable. This patch implement very poor (and lightweight) priority aging. It only be affect to the above corner case and doesn't change swap tendency workload performance (eg multi process qsbench load) Signed-off-by:
Rik van Riel <riel@redhat.com> Reviewed-by:
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KOSAKI Motohiro authored
This is useful for observing swap token activity. example output: zsh-1845 [000] 598.962716: update_swap_token_priority: mm=ffff88015eaf7700 old_prio=1 new_prio=0 memtoy-1830 [001] 602.033900: update_swap_token_priority: mm=ffff880037a45880 old_prio=947 new_prio=949 memtoy-1830 [000] 602.041509: update_swap_token_priority: mm=ffff880037a45880 old_prio=949 new_prio=951 memtoy-1830 [000] 602.051959: update_swap_token_priority: mm=ffff880037a45880 old_prio=951 new_prio=953 memtoy-1830 [000] 602.052188: update_swap_token_priority: mm=ffff880037a45880 old_prio=953 new_prio=955 memtoy-1830 [001] 602.427184: put_swap_token: token_mm=ffff880037a45880 zsh-1789 [000] 602.427281: replace_swap_token: old_token_mm= (null) old_prio=0 new_token_mm=ffff88015eaf7018 new_prio=2 zsh-1789 [001] 602.433456: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=2 new_prio=4 zsh-1789 [000] 602.437613: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=4 new_prio=6 zsh-1789 [000] 602.443924: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=6 new_prio=8 zsh-1789 [000] 602.451873: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=8 new_prio=10 zsh-1789 [001] 602.462639: update_swap_token_priority: mm=ffff88015eaf7018 old_prio=10 new_prio=12 Signed-off-by: -
KOSAKI Motohiro authored
Currently, memcg reclaim can disable swap token even if the swap token mm doesn't belong in its memory cgroup. It's slightly risky. If an admin creates very small mem-cgroup and silly guy runs contentious heavy memory pressure workload, every tasks are going to lose swap token and then system may become unresponsive. That's bad. This patch adds 'memcg' parameter into disable_swap_token(). and if the parameter doesn't match swap token, VM doesn't disable it. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Andrew Morton authored
Cc: Michael Hennerich <michael.hennerich@analog.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by:
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Michael Hennerich authored
Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Michal Hocko authored
Commit a8bef8ff ("mm: migration: avoid race between shift_arg_pages() and rmap_walk() during migration by not migrating temporary stacks") introduced a BUG_ON() to ensure that VM_STACK_FLAGS and VM_STACK_INCOMPLETE_SETUP do not overlap. The check is a compile time one, so BUILD_BUG_ON is more appropriate. Signed-off-by:
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Randy Dunlap authored
Fix new kernel-doc warnings in lib/bitmap.c: Warning(lib/bitmap.c:596): No description found for parameter 'buf' Warning(lib/bitmap.c:596): Excess function parameter 'bp' description in '__bitmap_parselist' Signed-off-by:
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Randy Dunlap authored
Fix new kernel-doc warnings in mm/memory.c: Warning(mm/memory.c:1327): No description found for parameter 'tlb' Warning(mm/memory.c:1327): Excess function parameter 'tlbp' description in 'unmap_vmas' Signed-off-by:
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Andrea Arcangeli authored
Johannes noticed the vmstat update is already taken care of by khugepaged_alloc_hugepage() internally. The only places that are required to update the vmstat are the callers of alloc_hugepage (callers of khugepaged_alloc_hugepage aren't). Signed-off-by:
Johannes Weiner <jweiner@redhat.com> Acked-by:
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- 15 Jun, 2011 1 commit
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Randy Dunlap authored
Fix kernel-doc warnings in signal.c: Warning(kernel/signal.c:2374): No description found for parameter 'nset' Warning(kernel/signal.c:2374): Excess function parameter 'set' description in 'sys_rt_sigprocmask' Signed-off-by:
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- 14 Jun, 2011 11 commits
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Andy Whitcroft authored
[ Also from Ben Hutchings <ben@decadent.org.uk> and Vitaliy Ivanov <vitalivanov@gmail.com> ] Commit 06ae40ce ("x86 idle: EXPORT_SYMBOL(default_idle, pm_idle) only when APM demands it") removed the export for pm_idle/default_idle unless the apm module was modularised and CONFIG_APM_CPU_IDLE was set. But the apm module uses pm_idle/default_idle unconditionally, CONFIG_APM_CPU_IDLE only affects the bios idle threshold. Adjust the export accordingly. [ Used #ifdef instead of #if defined() as it's shorter, and what both Ben and Vitaliy used.. Andy, you're out-voted ;) - Linus ] Reported-by:
Jiri Kosina <jkosina@suse.cz> Acked-by:
Ingo Molnar <mingo@elte.hu> Acked-by:
Len Brown <len.brown@intel.com> Signed-off-by:
Andy Whitcroft <apw@canonical.com> Signed-off-by:
Vitaliy Ivanov <vitalivanov@gmail.com> Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommuLinus Torvalds authored
* 'for-linus-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: use kernel processor defines for conditional optimizations m68knommu: create config options for CPU classes m68knommu: fix linker script exported name sections
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Linus Torvalds authored
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: TOMOYO: Fix oops in tomoyo_mount_acl().
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git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/avr32-2.6Linus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/avr32-2.6: avr32, exec: remove redundant set_fs(USER_DS) avr32: make intc_resume() return void to conform to syscore_ops avr32: add some more at91 to cpu.h definition avr32: set CONFIG_CC_OPTIMIZE_FOR_SIZE=y for all defconfigs avr32/at32ap: fix mapping of platform device id for USART avr32: fix use of non-existing portnr variable in at32_map_usart()
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm: Compare only lower 32 bits of framebuffer map offsets drm/i915: Don't leak in i915_gem_shmem_pread_slow() drm/radeon/kms: do bounds checking for 3D_LOAD_VBPNTR and bump array limit drm/radeon/kms: fix mac g5 quirk x86/uv/x2apic: update for change in pci bridge handling. alpha, drm: Remove obsolete Alpha support in MGA DRM code alpha/drm: Cleanup Alpha support in DRM generic code savage: remove unnecessary if statement drm/radeon: fix GUI idle IH debug statements drm/radeon/kms: check modes against max pixel clock drm: fix fbs in DRM_IOCTL_MODE_GETRESOURCES ioctl
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git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6Linus Torvalds authored
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: [CIFS] update cifs version to 1.73 [CIFS] trivial cleanup fscache cFYI and cERROR messages cifs: correctly handle NULL tcon pointer in CIFSTCon cifs: show sec= option in /proc/mounts cifs: don't allow cifs_reconnect to exit with NULL socket pointer CIFS: Fix sparse error
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git://neil.brown.name/mdLinus Torvalds authored
* 'for-linus' of git://neil.brown.name/md: md/raid5: remove unusual use of bio_iovec_idx() md/raid5: fix FUA request handling in ops_run_io() md/raid5: fix raid5_set_bi_hw_segments md:Documentation/md.txt - fix typo md/bitmap: remove unused fields from struct bitmap md/bitmap: use proper accessor macro md: check ->hot_remove_disk when removing disk md: Using poll /proc/mdstat can monitor the events of adding a spare disks MD: use is_power_of_2 macro MD: raid5 do not set fullsync MD: support initial bitmap creation in-kernel MD: add sync_super to mddev_t struct MD: raid1 changes to allow use by device mapper MD: move thread wakeups into resume MD: possible typo MD: no sync IO while suspended MD: no integrity register if no gendisk
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreqLinus Torvalds authored
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq: [CPUFREQ] Remove cpufreq_stats sysfs entries on module unload. MAINTAINERS: Update CPU FREQUENCY patterns
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Steve French authored
Signed-off-by:Steve French <sfrench@us.ibm.com>
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Steve French authored
... for uniformity and cleaner debug logs. Signed-off-by:
Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by:
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Mathias Krause authored
The address limit is already set in flush_old_exec() so this set_fs(USER_DS) is redundant. Signed-off-by:
Mathias Krause <minipli@googlemail.com> Signed-off-by:
Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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