Commit dbb1f81c authored by Catalin Marinas's avatar Catalin Marinas

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: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 89219d37
...@@ -46,6 +46,7 @@ ...@@ -46,6 +46,7 @@
#include <linux/page-isolation.h> #include <linux/page-isolation.h>
#include <linux/page_cgroup.h> #include <linux/page_cgroup.h>
#include <linux/debugobjects.h> #include <linux/debugobjects.h>
#include <linux/kmemleak.h>
#include <asm/tlbflush.h> #include <asm/tlbflush.h>
#include <asm/div64.h> #include <asm/div64.h>
...@@ -4546,6 +4547,16 @@ void *__init alloc_large_system_hash(const char *tablename, ...@@ -4546,6 +4547,16 @@ void *__init alloc_large_system_hash(const char *tablename,
if (_hash_mask) if (_hash_mask)
*_hash_mask = (1 << log2qty) - 1; *_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; return table;
} }
......
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