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| author | Eric Dumazet <dada1@cosmosbay.com> | 2008-11-17 04:39:21 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-17 04:39:21 +0100 |
| commit | 88ab1932eac721c6e7336708558fa5ed02c85c80 (patch) | |
| tree | c8788a1e3de08100bca341fa4180adfe5d02880f /include/net/udp.h | |
| parent | rcu: Introduce hlist_nulls variant of hlist (diff) | |
| download | linux-88ab1932eac721c6e7336708558fa5ed02c85c80.tar.xz linux-88ab1932eac721c6e7336708558fa5ed02c85c80.zip | |
udp: Use hlist_nulls in UDP RCU code
This is a straightforward patch, using hlist_nulls infrastructure.
RCUification already done on UDP two weeks ago.
Using hlist_nulls permits us to avoid some memory barriers, both
at lookup time and delete time.
Patch is large because it adds new macros to include/net/sock.h.
These macros will be used by TCP & DCCP in next patch.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/udp.h')
| -rw-r--r-- | include/net/udp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/udp.h b/include/net/udp.h index df2bfe545374..90e6ce56be65 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -51,7 +51,7 @@ struct udp_skb_cb { #define UDP_SKB_CB(__skb) ((struct udp_skb_cb *)((__skb)->cb)) struct udp_hslot { - struct hlist_head head; + struct hlist_nulls_head head; spinlock_t lock; } __attribute__((aligned(2 * sizeof(long)))); struct udp_table { |