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| author | Amerigo Wang <amwang@redhat.com> | 2012-09-18 16:50:11 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-09-19 17:23:28 -0400 |
| commit | 6b102865e7ba9ff1e3c49c32c7187bb427d91798 (patch) | |
| tree | 21a7f917457ab79f40d5bd579e547a030b2f0610 /net/ipv4/inet_fragment.c | |
| parent | d4915c087f7c2457c580efc16fe0bfa1a576274d (diff) | |
| download | op-kernel-dev-6b102865e7ba9ff1e3c49c32c7187bb427d91798.zip op-kernel-dev-6b102865e7ba9ff1e3c49c32c7187bb427d91798.tar.gz | |
ipv6: unify fragment thresh handling code
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Michal Kubeček <mkubecek@suse.cz>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_fragment.c')
| -rw-r--r-- | net/ipv4/inet_fragment.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c index 85190e6..4750d2b 100644 --- a/net/ipv4/inet_fragment.c +++ b/net/ipv4/inet_fragment.c @@ -89,7 +89,7 @@ void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f) nf->low_thresh = 0; local_bh_disable(); - inet_frag_evictor(nf, f); + inet_frag_evictor(nf, f, true); local_bh_enable(); } EXPORT_SYMBOL(inet_frags_exit_net); @@ -158,11 +158,16 @@ void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f, } EXPORT_SYMBOL(inet_frag_destroy); -int inet_frag_evictor(struct netns_frags *nf, struct inet_frags *f) +int inet_frag_evictor(struct netns_frags *nf, struct inet_frags *f, bool force) { struct inet_frag_queue *q; int work, evicted = 0; + if (!force) { + if (atomic_read(&nf->mem) <= nf->high_thresh) + return 0; + } + work = atomic_read(&nf->mem) - nf->low_thresh; while (work > 0) { read_lock(&f->lock); |
