[PATCH] record last user if malloc request is exact 4k

[Olaf Hering]

Is there a reason why a 4096 malloc is not recorded?
untested patch below.


allow SLAB_STORE_USER also with an exact 4k request.

Signed-off-by: Olaf Hering <olh@xxxxxxx>

 mm/slab.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.16-rc1-olh/mm/slab.c
===================================================================
--- linux-2.6.16-rc1-olh.orig/mm/slab.c
+++ linux-2.6.16-rc1-olh/mm/slab.c
@@ -1637,7 +1637,7 @@ kmem_cache_create (const char *name, siz
 	 * above the next power of two: caches with object sizes just above a
 	 * power of two have a significant amount of internal fragmentation.
 	 */
-	if ((size < 4096
+	if ((size <= 4096
 	     || fls(size - 1) == fls(size - 1 + 3 * BYTES_PER_WORD)))
 		flags |= SLAB_RED_ZONE | SLAB_STORE_USER;
 	if (!(flags & SLAB_DESTROY_BY_RCU))

-- 
short story of a lazy sysadmin:
 alias appserv=wotan
-
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