Use the __GFP_ZERO flag of kmalloc to initialize memory while allocating it, without the need for an additional memset call. Signed-off-by: cuitao <cuitao@xxxxxxxxxx> --- tools/virtio/linux/kernel.h | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h index 6702008f7f5c..9e401fb7c215 100644 --- a/tools/virtio/linux/kernel.h +++ b/tools/virtio/linux/kernel.h @@ -66,10 +66,7 @@ static inline void *kmalloc_array(unsigned n, size_t s, gfp_t gfp) static inline void *kzalloc(size_t s, gfp_t gfp) { - void *p = kmalloc(s, gfp); - - memset(p, 0, s); - return p; + return kmalloc(s, gfp | __GFP_ZERO); } static inline void *alloc_pages_exact(size_t s, gfp_t gfp) -- 2.25.1