[PATCH] tools/virtio: Use the __GFP_ZERO flag of kmalloc to complete the memory initialization.

[cuitao]

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