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authorCatalin Marinas <catalin.marinas@arm.com>2009-07-07 10:32:59 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2009-07-08 14:25:14 +0100
commite4f7c0b44a8ac8935f223195af9ea637d0c08091 (patch)
tree9d8627800137ae50a1d5707c21489969c77c9e8a /mm/slub.c
parent2587362eaf5c9df4e08de11e6340e3c4a88ed4c8 (diff)
downloadop-kernel-dev-e4f7c0b44a8ac8935f223195af9ea637d0c08091.zip
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kmemleak: Trace the kmalloc_large* functions in slub
The kmalloc_large() and kmalloc_large_node() functions were missed when adding the kmemleak hooks to the slub allocator. However, they should be traced to avoid false positives. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Christoph Lameter <cl@linux-foundation.org> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm/slub.c')
-rw-r--r--mm/slub.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/mm/slub.c b/mm/slub.c
index a9201d8..b9f1491 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>
@@ -2835,13 +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
@@ -2926,6 +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;
}
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