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kmemleak: Add kmemleak_alloc callback from alloc_large_system_hash 

The alloc_large_system_hash function is called from various places in
the kernel and it contains pointers to other allocated structures. It
therefore needs to be traced by kmemleak.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas 2009-06-11 13:23:19 +01:00
parent 89219d37a2
commit dbb1f81ca6
1 changed files with 11 additions and 0 deletions
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11
mm/page_alloc.c
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@ -46,6 +46,7 @@
#include <linux/page-isolation.h>
#include <linux/page_cgroup.h>
#include <linux/debugobjects.h>
#include <linux/kmemleak.h>
#include <asm/tlbflush.h>
#include <asm/div64.h>
@ -4546,6 +4547,16 @@ void *__init alloc_large_system_hash(const char *tablename,
if (_hash_mask)
*_hash_mask = (1 << log2qty) - 1;
/*
* If hashdist is set, the table allocation is done with __vmalloc()
* which invokes the kmemleak_alloc() callback. This function may also
* be called before the slab and kmemleak are initialised when
* kmemleak simply buffers the request to be executed later
* (GFP_ATOMIC flag ignored in this case).
*/
if (!hashdist)
kmemleak_alloc(table, size, 1, GFP_ATOMIC);
return table;
}