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authorWei Wang <weiwan@google.com>2017-06-17 10:42:41 -0700
committerDavid S. Miller <davem@davemloft.net>2017-06-17 22:54:01 -0400
commitb2a9c0ed75a32e788d034a58a18f2fc46396e412 (patch)
treed50771260588554f424a00efdd296a6097722eb8 /net/ipv4/route.c
parentnet: remove dst gc related code (diff)
downloadlinux-dev-b2a9c0ed75a32e788d034a58a18f2fc46396e412.tar.xz
linux-dev-b2a9c0ed75a32e788d034a58a18f2fc46396e412.zip
net: remove DST_NOGC flag
Now that all the components have been changed to release dst based on refcnt only and not depend on dst gc anymore, we can remove the temporary flag DST_NOGC. Note that we also need to remove the DST_NOCACHE check in dst_release() and dst_hold_safe() because now all the dst are released based on refcnt and behaves as DST_NOCACHE. Signed-off-by: Wei Wang <weiwan@google.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/route.c')
-rw-r--r--net/ipv4/route.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 80b30c2bf47d..9a0f496f8bf4 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1496,8 +1496,7 @@ struct rtable *rt_dst_alloc(struct net_device *dev,
rt = dst_alloc(&ipv4_dst_ops, dev, 1, DST_OBSOLETE_FORCE_CHK,
(will_cache ? 0 : (DST_HOST | DST_NOCACHE)) |
(nopolicy ? DST_NOPOLICY : 0) |
- (noxfrm ? DST_NOXFRM : 0) |
- DST_NOGC);
+ (noxfrm ? DST_NOXFRM : 0));
if (rt) {
rt->rt_genid = rt_genid_ipv4(dev_net(dev));
@@ -2503,7 +2502,7 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
struct rtable *ort = (struct rtable *) dst_orig;
struct rtable *rt;
- rt = dst_alloc(&ipv4_dst_blackhole_ops, NULL, 1, DST_OBSOLETE_NONE, DST_NOGC);
+ rt = dst_alloc(&ipv4_dst_blackhole_ops, NULL, 1, DST_OBSOLETE_NONE, 0);
if (rt) {
struct dst_entry *new = &rt->dst;