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mm: Introduce kvcalloc() 

The kv*alloc()-family was missing kvcalloc(). Adding this allows for
2-argument multiplication conversions of kvzalloc(a * b, ...) into
kvcalloc(a, b, ...).

Signed-off-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Kees Cook 2018-06-11 14:35:55 -07:00
parent 9f645bcc56
commit 1c542f38ab
1 changed files with 5 additions and 0 deletions
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5
include/linux/mm.h
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@ -575,6 +575,11 @@ static inline void *kvmalloc_array(size_t n, size_t size, gfp_t flags)
return kvmalloc(bytes, flags);
}
static inline void *kvcalloc(size_t n, size_t size, gfp_t flags)
{
return kvmalloc_array(n, size, flags | __GFP_ZERO);
}
extern void kvfree(const void *addr);
static inline atomic_t *compound_mapcount_ptr(struct page *page)