[PATCH] Document /proc/sys/net/core/netdev_budget

[Stanislaw Gruszka]

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@xxxxxxxxxx> 
---
 Documentation/filesystems/proc.txt |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a87be42..830bad7 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
 ------------------
-- 
1.5.5.6

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