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authorEric Dumazet <eric.dumazet@gmail.com>2010-11-15 19:58:26 +0000
committerDavid S. Miller <davem@davemloft.net>2010-11-16 11:17:43 -0800
commitc31504dc0d1dc853dcee509d9999169a9097a717 (patch)
tree8ee1d5616b7140759cf742ef89cf9f7ba1c01b20 /include/net/sock.h
parent213b15ca818adf7766cd7162c2159a6ecdd3bab8 (diff)
downloadop-kernel-dev-c31504dc0d1dc853dcee509d9999169a9097a717.zip
op-kernel-dev-c31504dc0d1dc853dcee509d9999169a9097a717.tar.gz
udp: use atomic_inc_not_zero_hint
UDP sockets refcount is usually 2, unless an incoming frame is going to be queued in receive or backlog queue. Using atomic_inc_not_zero_hint() permits to reduce latency, because processor issues less memory transactions. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index a6338d0..eb0c1f5 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -57,7 +57,7 @@
#include <linux/rculist_nulls.h>
#include <linux/poll.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <net/dst.h>
#include <net/checksum.h>
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