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| author | Wei Wang <weiwan@google.com> | 2017-06-17 10:42:32 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-17 22:54:00 -0400 |
| commit | b838d5e1c5b6e57b10ec8af2268824041e3ea911 (patch) | |
| tree | 129ee43f6c1a66e0c5f2c7050c0ac6b87745f958 /net/ipv4/fib_semantics.c | |
| parent | 9df16efadd2a8a82731dc76ff656c771e261827f (diff) | |
| download | linux-stable-b838d5e1c5b6e57b10ec8af2268824041e3ea911.tar.gz linux-stable-b838d5e1c5b6e57b10ec8af2268824041e3ea911.tar.bz2 linux-stable-b838d5e1c5b6e57b10ec8af2268824041e3ea911.zip | |
ipv4: mark DST_NOGC and remove the operation of dst_free()
With the previous preparation patches, we are ready to get rid of the
dst gc operation in ipv4 code and release dst based on refcnt only.
So this patch adds DST_NOGC flag for all IPv4 dst and remove the calls
to dst_free().
At this point, all dst created in ipv4 code do not use the dst gc
anymore and will be destroyed at the point when refcnt drops to 0.
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/fib_semantics.c')
| -rw-r--r-- | net/ipv4/fib_semantics.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index f163fa0a1164..ff47ea1408fe 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -153,8 +153,7 @@ static void rt_fibinfo_free(struct rtable __rcu **rtp) */ dst_dev_put(&rt->dst); - dst_release(&rt->dst); - dst_free(&rt->dst); + dst_release_immediate(&rt->dst); } static void free_nh_exceptions(struct fib_nh *nh) @@ -198,8 +197,7 @@ static void rt_fibinfo_free_cpus(struct rtable __rcu * __percpu *rtp) rt = rcu_dereference_protected(*per_cpu_ptr(rtp, cpu), 1); if (rt) { dst_dev_put(&rt->dst); - dst_release(&rt->dst); - dst_free(&rt->dst); + dst_release_immediate(&rt->dst); } } free_percpu(rtp); |