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| author | Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2008-03-28 01:53:31 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-28 01:53:31 +0100 |
| commit | 8d3308687f7f1eaa1bb5d202d14752d5f90068eb (patch) | |
| tree | fa32a8ac2818950bbe7ab1e5f1e3a2ab4970b9b5 /net/core/dst.c | |
| parent | [NET]: uninline skb_push, de-bloats a lot (diff) | |
| download | linux-8d3308687f7f1eaa1bb5d202d14752d5f90068eb.tar.xz linux-8d3308687f7f1eaa1bb5d202d14752d5f90068eb.zip | |
[NET]: uninline dst_release
Codiff stats (allyesconfig, v2.6.24-mm1):
-16420 187 funcs, 103 +, 16523 -, diff: -16420 --- dst_release
Without number of debug related CONFIGs (v2.6.25-rc2-mm1):
-7257 186 funcs, 70 +, 7327 -, diff: -7257 --- dst_release
dst_release | +40
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dst.c')
| -rw-r--r-- | net/core/dst.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/core/dst.c b/net/core/dst.c index 694cd2a3f6d2..fe03266130b6 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -259,6 +259,16 @@ again: return NULL; } +void dst_release(struct dst_entry *dst) +{ + if (dst) { + WARN_ON(atomic_read(&dst->__refcnt) < 1); + smp_mb__before_atomic_dec(); + atomic_dec(&dst->__refcnt); + } +} +EXPORT_SYMBOL(dst_release); + /* Dirty hack. We did it in 2.2 (in __dst_free), * we have _very_ good reasons not to repeat * this mistake in 2.3, but we have no choice |