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kmemleak: Trace the kmalloc_large* functions in slub

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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 <[email protected]>
Cc: Christoph Lameter <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
This commit is contained in:
Catalin Marinas 2009-07-07 10:32:59 +01:00
commit e4f7c0b44a
2 changed files with 8 additions and 4 deletions
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10
mm/slub.c
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@ -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;
}