[PATCH 3/3] xfrm/compat: Don't allocate memory with __GFP_ZERO

From: Dmitry Safonov
Date: Thu Oct 29 2020 - 22:26:12 EST


32-bit to 64-bit messages translator zerofies needed paddings in the
translation, the rest is the actual payload.
Don't allocate zero pages as they are not needed.

Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx>
---
net/xfrm/xfrm_compat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/xfrm/xfrm_compat.c b/net/xfrm/xfrm_compat.c
index 556e9f33b815..d8e8a11ca845 100644
--- a/net/xfrm/xfrm_compat.c
+++ b/net/xfrm/xfrm_compat.c
@@ -564,7 +564,7 @@ static struct nlmsghdr *xfrm_user_rcv_msg_compat(const struct nlmsghdr *h32,
return NULL;

len += NLMSG_HDRLEN;
- h64 = kvmalloc(len, GFP_KERNEL | __GFP_ZERO);
+ h64 = kvmalloc(len, GFP_KERNEL);
if (!h64)
return ERR_PTR(-ENOMEM);

--
2.28.0