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authorJ. Bruce Fields <bfields@citi.umich.edu>2009-08-21 17:27:29 +0200
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-08-21 17:27:29 +0200
commite9dc122166b8d863d3057a66ada04838e5548e52 (patch)
tree749e15bf719b64bf9113db7acd8e043d9742cb26 /mm/slub.c
parentsunrpc: fix memory leak in unix_gid cache. (diff)
parentSUNRPC: Ensure that sunrpc gets initialised before nfs, lockd, etc... (diff)
downloadlinux-e9dc122166b8d863d3057a66ada04838e5548e52.tar.xz
linux-e9dc122166b8d863d3057a66ada04838e5548e52.zip
Merge branch 'nfs-for-2.6.32' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6 into for-2.6.32-incoming
Conflicts: net/sunrpc/cache.c
Diffstat (limited to 'mm/slub.c')
-rw-r--r--mm/slub.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 819f056b39c6..b9f1491a58a1 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -21,7 +21,6 @@
#include <linux/kmemcheck.h>
#include <linux/cpu.h>
#include <linux/cpuset.h>
-#include <linux/kmemleak.h>
#include <linux/mempolicy.h>
#include <linux/ctype.h>
#include <linux/debugobjects.h>
@@ -2595,6 +2594,8 @@ static inline int kmem_cache_close(struct kmem_cache *s)
*/
void kmem_cache_destroy(struct kmem_cache *s)
{
+ if (s->flags & SLAB_DESTROY_BY_RCU)
+ rcu_barrier();
down_write(&slub_lock);
s->refcount--;
if (!s->refcount) {
@@ -2833,13 +2834,15 @@ EXPORT_SYMBOL(__kmalloc);
static void *kmalloc_large_node(size_t size, gfp_t flags, int node)
{
struct page *page;
+ void *ptr = NULL;
flags |= __GFP_COMP | __GFP_NOTRACK;
page = alloc_pages_node(node, flags, get_order(size));
if (page)
- return page_address(page);
- else
- return NULL;
+ ptr = page_address(page);
+
+ kmemleak_alloc(ptr, size, 1, flags);
+ return ptr;
}
#ifdef CONFIG_NUMA
@@ -2924,6 +2927,7 @@ void kfree(const void *x)
page = virt_to_head_page(x);
if (unlikely(!PageSlab(page))) {
BUG_ON(!PageCompound(page));
+ kmemleak_free(x);
put_page(page);
return;
}