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 <[email protected]>
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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