From d433673e5f9180e05a770c4b2ab18c08ad51cc21 Mon Sep 17 00:00:00 2001 From: Jesper Dangaard Brouer Date: Mon, 28 Jan 2013 23:45:12 +0000 Subject: net: frag helper functions for mem limit tracking This change is primarily a preparation to ease the extension of memory limit tracking. The change does reduce the number atomic operation, during freeing of a frag queue. This does introduce a some performance improvement, as these atomic operations are at the core of the performance problems seen on NUMA systems. Signed-off-by: Jesper Dangaard Brouer Signed-off-by: David S. Miller --- net/ipv6/netfilter/nf_conntrack_reasm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'net/ipv6/netfilter') diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 3dacecc99065..07ef2949c946 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -319,7 +319,7 @@ found: fq->q.meat += skb->len; if (payload_len > fq->q.max_size) fq->q.max_size = payload_len; - atomic_add(skb->truesize, &fq->q.net->mem); + add_frag_mem_limit(&fq->q, skb->truesize); /* The first fragment. * nhoffset is obtained from the first fragment, of course. @@ -398,7 +398,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) clone->ip_summed = head->ip_summed; NFCT_FRAG6_CB(clone)->orig = NULL; - atomic_add(clone->truesize, &fq->q.net->mem); + add_frag_mem_limit(&fq->q, clone->truesize); } /* We have to remove fragment header from datagram and to relocate @@ -422,7 +422,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) head->csum = csum_add(head->csum, fp->csum); head->truesize += fp->truesize; } - atomic_sub(head->truesize, &fq->q.net->mem); + sub_frag_mem_limit(&fq->q, head->truesize); head->local_df = 1; head->next = NULL; -- cgit v1.2.3