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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-06-11 14:23:19 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-06-11 18:03:30 +0200 |
| commit | dbb1f81ca67a56c6cfce4c94d07c76378fd4af9e (patch) | |
| tree | a3a973f1790713fea944b293bb439c7fe84ea1ab /mm/page_alloc.c | |
| parent | kmemleak: Add the vmalloc memory allocation/freeing hooks (diff) | |
| download | linux-dbb1f81ca67a56c6cfce4c94d07c76378fd4af9e.tar.xz linux-dbb1f81ca67a56c6cfce4c94d07c76378fd4af9e.zip | |
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>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 474c7e9dd51a..17d5f539a9aa 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -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; } |