• Linus Torvalds's avatar
    Merge tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm · fb46e22a
    Linus Torvalds authored
    Pull MM updates from Andrew Morton:
     "Many singleton patches against the MM code. The patch series which are
      included in this merge do the following:
    
       - Peng Zhang has done some mapletree maintainance work in the series
    
    	'maple_tree: add mt_free_one() and mt_attr() helpers'
    	'Some cleanups of maple tree'
    
       - In the series 'mm: use memmap_on_memory semantics for dax/kmem'
         Vishal Verma has altered the interworking between memory-hotplug
         and dax/kmem so that newly added 'device memory' can more easily
         have its memmap placed within that newly added memory.
    
       - Matthew Wilcox continues folio-related work (including a few fixes)
         in the patch series
    
    	'Add folio_zero_tail() and folio_fill_tail()'
    	'Make folio_start_writeback return void'
    	'Fix fault handler's handling of poisoned tail pages'
    	'Convert aops->error_remove_page to ->error_remove_folio'
    	'Finish two folio conversions'
    	'More swap folio conversions'
    
       - Kefeng Wang has also contributed folio-related work in the series
    
    	'mm: cleanup and use more folio in page fault'
    
       - Jim Cromie has improved the kmemleak reporting output in the series
         'tweak kmemleak report format'.
    
       - In the series 'stackdepot: allow evicting stack traces' Andrey
         Konovalov to permits clients (in this case KASAN) to cause eviction
         of no longer needed stack traces.
    
       - Charan Teja Kalla has fixed some accounting issues in the page
         allocator's atomic reserve calculations in the series 'mm:
         page_alloc: fixes for high atomic reserve caluculations'.
    
       - Dmitry Rokosov has added to the samples/ dorectory some sample code
         for a userspace memcg event listener application. See the series
         'samples: introduce cgroup events listeners'.
    
       - Some mapletree maintanance work from Liam Howlett in the series
         'maple_tree: iterator state changes'.
    
       - Nhat Pham has improved zswap's approach to writeback in the series
         'workload-specific and memory pressure-driven zswap writeback'.
    
       - DAMON/DAMOS feature and maintenance work from SeongJae Park in the
         series
    
    	'mm/damon: let users feed and tame/auto-tune DAMOS'
    	'selftests/damon: add Python-written DAMON functionality tests'
    	'mm/damon: misc updates for 6.8'
    
       - Yosry Ahmed has improved memcg's stats flushing in the series 'mm:
         memcg: subtree stats flushing and thresholds'.
    
       - In the series 'Multi-size THP for anonymous memory' Ryan Roberts
         has added a runtime opt-in feature to transparent hugepages which
         improves performance by allocating larger chunks of memory during
         anonymous page faults.
    
       - Matthew Wilcox has also contributed some cleanup and maintenance
         work against eh buffer_head code int he series 'More buffer_head
         cleanups'.
    
       - Suren Baghdasaryan has done work on Andrea Arcangeli's series
         'userfaultfd move option'. UFFDIO_MOVE permits userspace heap
         compaction algorithms to move userspace's pages around rather than
         UFFDIO_COPY'a alloc/copy/free.
    
       - Stefan Roesch has developed a 'KSM Advisor', in the series 'mm/ksm:
         Add ksm advisor'. This is a governor which tunes KSM's scanning
         aggressiveness in response to userspace's current needs.
    
       - Chengming Zhou has optimized zswap's temporary working memory use
         in the series 'mm/zswap: dstmem reuse optimizations and cleanups'.
    
       - Matthew Wilcox has performed some maintenance work on the writeback
         code, both code and within filesystems. The series is 'Clean up the
         writeback paths'.
    
       - Andrey Konovalov has optimized KASAN's handling of alloc and free
         stack traces for secondary-level allocators, in the series 'kasan:
         save mempool stack traces'.
    
       - Andrey also performed some KASAN maintenance work in the series
         'kasan: assorted clean-ups'.
    
       - David Hildenbrand has gone to town on the rmap code. Cleanups, more
         pte batching, folio conversions and more. See the series 'mm/rmap:
         interface overhaul'.
    
       - Kinsey Ho has contributed some maintenance work on the MGLRU code
         in the series 'mm/mglru: Kconfig cleanup'.
    
       - Matthew Wilcox has contributed lruvec page accounting code cleanups
         in the series 'Remove some lruvec page accounting functions'"
    
    * tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (361 commits)
      mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER
      mm, treewide: introduce NR_PAGE_ORDERS
      selftests/mm: add separate UFFDIO_MOVE test for PMD splitting
      selftests/mm: skip test if application doesn't has root privileges
      selftests/mm: conform test to TAP format output
      selftests: mm: hugepage-mmap: conform to TAP format output
      selftests/mm: gup_test: conform test to TAP format output
      mm/selftests: hugepage-mremap: conform test to TAP format output
      mm/vmstat: move pgdemote_* out of CONFIG_NUMA_BALANCING
      mm: zsmalloc: return -ENOSPC rather than -EINVAL in zs_malloc while size is too large
      mm/memcontrol: remove __mod_lruvec_page_state()
      mm/khugepaged: use a folio more in collapse_file()
      slub: use a folio in __kmalloc_large_node
      slub: use folio APIs in free_large_kmalloc()
      slub: use alloc_pages_node() in alloc_slab_page()
      mm: remove inc/dec lruvec page state functions
      mm: ratelimit stat flush from workingset shrinker
      kasan: stop leaking stack trace handles
      mm/mglru: remove CONFIG_TRANSPARENT_HUGEPAGE
      mm/mglru: add dummy pmd_dirty()
      ...
    fb46e22a
aops.c 51.3 KB