[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/init/Kconfig b/init/Kconfig
index 9b1adb176ea8..a3f83e2c8250 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -450,7 +450,7 @@ config SHMEM
 
 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.