[PATCH] handle SLOB with sparsemen
This is to disallow to make SLOB with SMP or SPARSEMEM. This avoids latent
troubles of SLOB with SLAB_DESTROY_BY_RCU. And fix compile error.
Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/init/Kconfig b/init/Kconfig
index 9b1adb1..a3f83e2 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -450,7 +450,7 @@
config SLAB
default y
- bool "Use full SLAB allocator" if EMBEDDED
+ bool "Use full SLAB allocator" if (EMBEDDED && !SMP && !SPARSEMEM)
help
Disabling this replaces the advanced SLAB allocator and
kmalloc support with the drastically simpler SLOB allocator.