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
diff --git a/init/Kconfig b/init/Kconfig
index 4b7bac1..03e1b86 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1933,6 +1933,7 @@
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.
