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Subject[PATCH 3/4] mm/slab: Add __free() support for kvfree
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Date
Allow for the declaration of variables that trigger kvfree() when they
go out of scope.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
include/linux/slab.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/include/linux/slab.h b/include/linux/slab.h
index 848c7c82ad5a..241025367943 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -746,6 +746,8 @@ static inline __alloc_size(1, 2) void *kvcalloc(size_t n, size_t size, gfp_t fla
extern void *kvrealloc(const void *p, size_t oldsize, size_t newsize, gfp_t flags)
__realloc_size(3);
extern void kvfree(const void *addr);
+DEFINE_FREE(kvfree, void *, if (_T) kvfree(_T))
+
extern void kvfree_sensitive(const void *addr, size_t len);

unsigned int kmem_cache_size(struct kmem_cache *s);
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