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authorDave Airlie <airlied@redhat.com>2016-12-05 17:11:48 +1000
committerDave Airlie <airlied@redhat.com>2016-12-05 17:11:48 +1000
commitf03ee46be9401e3434f52bb15e92d1e640f76438 (patch)
treef0a1819bd3e44902578b80e1a03d1dde1c6099b8 /net/core/flow.c
parent0d5320fc194128a1a584a7e91a606cb3af2ded80 (diff)
parent3e5de27e940d00d8d504dfb96625fb654f641509 (diff)
downloadlinux-f03ee46be9401e3434f52bb15e92d1e640f76438.tar.bz2
Backmerge tag 'v4.9-rc8' into drm-next
Linux 4.9-rc8 Daniel requested this so we could apply some follow on fixes cleanly to -next.
Diffstat (limited to 'net/core/flow.c')
-rw-r--r--net/core/flow.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/core/flow.c b/net/core/flow.c
index 3937b1b68d5b..18e8893d4be5 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -95,7 +95,6 @@ static void flow_cache_gc_task(struct work_struct *work)
list_for_each_entry_safe(fce, n, &gc_list, u.gc_list) {
flow_entry_kill(fce, xfrm);
atomic_dec(&xfrm->flow_cache_gc_count);
- WARN_ON(atomic_read(&xfrm->flow_cache_gc_count) < 0);
}
}
@@ -236,9 +235,8 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir,
if (fcp->hash_count > fc->high_watermark)
flow_cache_shrink(fc, fcp);
- if (fcp->hash_count > 2 * fc->high_watermark ||
- atomic_read(&net->xfrm.flow_cache_gc_count) > fc->high_watermark) {
- atomic_inc(&net->xfrm.flow_cache_genid);
+ if (atomic_read(&net->xfrm.flow_cache_gc_count) >
+ 2 * num_online_cpus() * fc->high_watermark) {
flo = ERR_PTR(-ENOBUFS);
goto ret_object;
}