[PATCH]slub: fix bad scope checking

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]
From: Zhang, Yanmin
Date: Thursday, April 1, 2010 - 2:32 am

Function init_kmem_cache_nodes is incorrect when checking upper limitation
of kmalloc_caches.

The patch against latest tip/master fixes it.

From: Zhang, Yanmin <yanmin_zhang@linux.intel.com>

---

--- linux-2.6/mm/slub.c	2010-04-01 17:01:21.091999999 +0800
+++ linux-2.6_slub/mm/slub.c	2010-04-01 17:04:34.876000010 +0800
@@ -2153,7 +2153,7 @@ static int init_kmem_cache_nodes(struct 
 	int local_node;
 
 	if (slab_state >= UP && (s < kmalloc_caches ||
-			s > kmalloc_caches + KMALLOC_CACHES))
+			s >= kmalloc_caches + KMALLOC_CACHES))
 		local_node = page_to_nid(virt_to_page(s));
 	else
 		local_node = 0;


--
Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:
[PATCH]slub: fix bad scope checking, Zhang, Yanmin, (Thu Apr 1, 2:32 am)
Re: [PATCH]slub: fix bad scope checking, Christoph Lameter, (Thu Apr 1, 9:00 am)
Re: [PATCH]slub: fix bad scope checking, Pekka Enberg, (Fri Apr 2, 12:03 am)