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Merge tag 'slab-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

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Pull slab updates from Vlastimil Babka:

 - Convert struct slab to its own flags instead of referencing page
   flags, which is another preparation step before separating it from
   struct page completely.

   Along with that, a bunch of documentation fixes and cleanups (Matthew
   Wilcox)

 - Convert large kmalloc to use frozen pages in order to be consistent
   with non-large kmalloc slabs (Vlastimil Babka)

 - MAINTAINERS updates (Matthew Wilcox, Lorenzo Stoakes)

 - Restore NUMA policy support for large kmalloc, broken by mistake in
   v6.1 (Vlastimil Babka)

* tag 'slab-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  MAINTAINERS: add missing files to slab section
  slab: Update MAINTAINERS entry
  memcg_slabinfo: Fix use of PG_slab
  kfence: Remove mention of PG_slab
  vmcoreinfo: Remove documentation of PG_slab and PG_hugetlb
  doc: Add slab internal kernel-doc
  slub: Fix a documentation build error for krealloc()
  slab: Add SL_pfmemalloc flag
  slab: Add SL_partial flag
  slab: Rename slab->__page_flags to slab->flags
  doc: Move SLUB documentation to the admin guide
  mm, slab: use frozen pages for large kmalloc
  mm, slab: restore NUMA policy support for large kmalloc
This commit is contained in:
Linus Torvalds
2025-07-30 11:32:38 -07:00
parent 2db4df0c09 8185696483
commit e8d780dcd9
13 changed files with 109 additions and 79 deletions
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12
Documentation/admin-guide/kernel-parameters.txt
View File

@@ -6587,14 +6587,14 @@
slab_debug can create guard zones around objects and
may poison objects when not in use. Also tracks the
last alloc / free. For more information see
Documentation/mm/slub.rst.
Documentation/admin-guide/mm/slab.rst.
(slub_debug legacy name also accepted for now)
slab_max_order= [MM]
Determines the maximum allowed order for slabs.
A high setting may cause OOMs due to memory
fragmentation. For more information see
Documentation/mm/slub.rst.
Documentation/admin-guide/mm/slab.rst.
(slub_max_order legacy name also accepted for now)
slab_merge [MM]
@@ -6609,13 +6609,14 @@
the number of objects indicated. The higher the number
of objects the smaller the overhead of tracking slabs
and the less frequently locks need to be acquired.
For more information see Documentation/mm/slub.rst.
For more information see
Documentation/admin-guide/mm/slab.rst.
(slub_min_objects legacy name also accepted for now)
slab_min_order= [MM]
Determines the minimum page order for slabs. Must be
lower or equal to slab_max_order. For more information see
Documentation/mm/slub.rst.
Documentation/admin-guide/mm/slab.rst.
(slub_min_order legacy name also accepted for now)
slab_nomerge [MM]
@@ -6629,7 +6630,8 @@
cache (risks via metadata attacks are mostly
unchanged). Debug options disable merging on their
own.
For more information see Documentation/mm/slub.rst.
For more information see
Documentation/admin-guide/mm/slab.rst.
(slub_nomerge legacy name also accepted for now)
slab_strict_numa [MM]