net: remove useless pfmemalloc setting
authorEric Dumazet <edumazet@google.com>
Thu, 2 Feb 2017 02:13:23 +0000 (18:13 -0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 3 Feb 2017 04:03:05 +0000 (23:03 -0500)
When __alloc_skb() allocates an skb from fast clone cache,
setting pfmemalloc on the clone is not needed.

Clone will be properly initialized later at skb_clone() time,
including pfmemalloc field, as it is included in the
headers_start/headers_end section which is fully copied.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/skbuff.c

index 26c1344cc23e31d4248d23fc007bcab4b034c5c9..4f8f2a1a66b5a36705e8f9966f7abd751932dcc6 100644 (file)
@@ -271,7 +271,6 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
                atomic_set(&fclones->fclone_ref, 1);
 
                fclones->skb2.fclone = SKB_FCLONE_CLONE;
-               fclones->skb2.pfmemalloc = pfmemalloc;
        }
 out:
        return skb;