mm: Make SLAB_MERGE_DEFAULT depend on SL[AU]B

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

View File

@ -1933,6 +1933,7 @@ endchoice
config SLAB_MERGE_DEFAULT
bool "Allow slab caches to be merged"
default y
depends on SLAB || SLUB
help
For reduced kernel memory fragmentation, slab caches can be
merged when they share the same size and other characteristics.