Messages in this thread Patch in this message | | | Subject | [PATCH 07/14] kmemleak: Add kmemleak_alloc callback from alloc_large_system_hash | From | Catalin Marinas <> | Date | Fri, 24 Apr 2009 17:41:37 +0100 |
| |
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> --- 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 e2f2699..c722aa6 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> @@ -4597,6 +4598,16 @@ 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; }
| |