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Merge branch 'akpm' (patches from Andrew)

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Merge misc updates from Andrew Morton:
 "A few misc subsystems and some of MM.

  175 patches.

  Subsystems affected by this patch series: ia64, kbuild, scripts, sh,
  ocfs2, kfifo, vfs, kernel/watchdog, and mm (slab-generic, slub,
  kmemleak, debug, pagecache, msync, gup, memremap, memcg, pagemap,
  mremap, dma, sparsemem, vmalloc, documentation, kasan, initialization,
  pagealloc, and memory-failure)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (175 commits)
  mm/memory-failure: unnecessary amount of unmapping
  mm/mmzone.h: fix existing kernel-doc comments and link them to core-api
  mm: page_alloc: ignore init_on_free=1 for debug_pagealloc=1
  net: page_pool: use alloc_pages_bulk in refill code path
  net: page_pool: refactor dma_map into own function page_pool_dma_map
  SUNRPC: refresh rq_pages using a bulk page allocator
  SUNRPC: set rq_page_end differently
  mm/page_alloc: inline __rmqueue_pcplist
  mm/page_alloc: optimize code layout for __alloc_pages_bulk
  mm/page_alloc: add an array-based interface to the bulk page allocator
  mm/page_alloc: add a bulk page allocator
  mm/page_alloc: rename alloced to allocated
  mm/page_alloc: duplicate include linux/vmalloc.h
  mm, page_alloc: avoid page_to_pfn() in move_freepages()
  mm/Kconfig: remove default DISCONTIGMEM_MANUAL
  mm: page_alloc: dump migrate-failed pages
  mm/mempolicy: fix mpol_misplaced kernel-doc
  mm/mempolicy: rewrite alloc_pages_vma documentation
  mm/mempolicy: rewrite alloc_pages documentation
  mm/mempolicy: rename alloc_pages_current to alloc_pages
  ...
This commit is contained in:
Linus Torvalds
2021-04-30 14:38:01 -07:00
parent 65ec0a7d24 4d75136be8
commit d42f323a7d
185 changed files with 3182 additions and 2650 deletions
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7
Documentation/admin-guide/kernel-parameters.txt
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@@ -4996,6 +4996,10 @@
slram= [HW,MTD]
slab_merge [MM]
Enable merging of slabs with similar size when the
kernel is built without CONFIG_SLAB_MERGE_DEFAULT.
slab_nomerge [MM]
Disable merging of slabs with similar size. May be
necessary if there is some reason to distinguish
@@ -5043,6 +5047,9 @@
lower than slub_max_order.
For more information see Documentation/vm/slub.rst.
slub_merge [MM, SLUB]
Same with slab_merge.
slub_nomerge [MM, SLUB]
Same with slab_nomerge. This is supported for legacy.
See slab_nomerge for more information.

2
Documentation/admin-guide/mm/transhuge.rst
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@@ -402,7 +402,7 @@ compact_fail
but failed.
It is possible to establish how long the stalls were using the function
tracer to record how long was spent in __alloc_pages_nodemask and
tracer to record how long was spent in __alloc_pages() and
using the mm_page_alloc tracepoint to identify which allocations were
for huge pages.