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mm: Make SLAB_MERGE_DEFAULT depend on SL[AU]B

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SLOB always manage objects of different caches in same page regardless of
SLAB_MERGE_DEFAULT. Because it has no effect on SLOB, make it depend on
SLAB || SLUB.

Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Link: https://lore.kernel.org/r/20211225060921.13584-1-42.hyeyoo@gmail.com
This commit is contained in:
Hyeonggon Yoo 2021-12-25 06:09:21 +00:00 committed by Vlastimil Babka
parent a7904a5389
commit eb52c0fc23
1 changed files with 1 additions and 0 deletions
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init/Kconfig
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@ -1933,6 +1933,7 @@ endchoice
config SLAB_MERGE_DEFAULT config SLAB_MERGE_DEFAULT
bool "Allow slab caches to be merged" bool "Allow slab caches to be merged"
default y default y
depends on SLAB || SLUB
help help
For reduced kernel memory fragmentation, slab caches can be For reduced kernel memory fragmentation, slab caches can be
merged when they share the same size and other characteristics. merged when they share the same size and other characteristics.