mm, slub: validate slab from partial list or page allocator before making it cpu slab

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When we obtain a new slab page from node partial list or page allocator, we
assign it to kmem_cache_cpu, perform some checks, and if they fail, we undo
the assignment.

In order to allow doing the checks without irq disabled, restructure the code
so that the checks are done first, and kmem_cache_cpu.page assignment only
after they pass.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>

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This commit is contained in:

Vlastimil Babka 2021-05-11 16:37:51 +02:00

parent 6c1dbb674c

commit 3f2b77e35a

1 changed files with 9 additions and 8 deletions

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mm/slub.c

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