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net: Document /proc/sys/net/core/netdev_budget

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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>
This commit is contained in:
Stanislaw Gruszka 2009-03-18 18:51:06 -07:00 committed by David S. Miller
parent 69145635d4
commit e9c6a586f5
1 changed files with 7 additions and 0 deletions
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7
Documentation/filesystems/proc.txt
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@ -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 this should be enabled, but if the problem persists the messages can be
disabled. 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 netdev_max_backlog
------------------ ------------------