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authorStanislaw Gruszka <sgruszka@redhat.com>2009-03-18 18:51:06 -0700
committerDavid S. Miller <davem@davemloft.net>2009-03-18 18:51:06 -0700
commite9c6a586f5335938b11be0a2554af58a2860e4ef (patch)
tree056515e9973c0b312983edbb63cfaadd64a129b9
parent69145635d4db0a0382885b14634aa5b721f3aa1a (diff)
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net: Document /proc/sys/net/core/netdev_budget
The NAPI poll parameter netdev_budget is not documented in kernel-docs. Since it may have a substantial effect on at least some network loads, it should be. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--Documentation/filesystems/proc.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a87be42f821..830bad7cce0 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1478,6 +1478,13 @@ of problems on the network like duplicate address or bad checksums. Normally,
this should be enabled, but if the problem persists the messages can be
disabled.
+netdev_budget
+-------------
+
+Maximum number of packets taken from all interfaces in one polling cycle (NAPI
+poll). In one polling cycle interfaces which are registered to polling are
+probed in a round-robin manner. The limit of packets in one such probe can be
+set per-device via sysfs class/net/<device>/weight .
netdev_max_backlog
------------------