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| author |   Kees Cook <keescook@chromium.org> | 2018-06-11 14:35:55 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2018-06-12 16:19:22 -0700 |
| commit | 1c542f38ab8d30d9c852a16d49ac5a15267bbf1f (patch) | |
| tree | 20ace1eb1fe5b61211f5dfcd10a5af136682ebd4 | |
| parent | video: uvesafb: Fix integer overflow in allocation (diff) | |
| download | linux-dev-1c542f38ab8d30d9c852a16d49ac5a15267bbf1f.tar.xz linux-dev-1c542f38ab8d30d9c852a16d49ac5a15267bbf1f.zip | |
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>
| -rw-r--r-- | include/linux/mm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 0e493884e6e1..a0fbb9ffe380 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -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) |