On 08.03.2013 18:04, Garrett Wollman wrote:
<<On Fri, 8 Mar 2013 00:31:18 -0800, Jack Vogel <jfvo...@gmail.com> said:
I am not strongly opposed to trying the 4k mbuf pool for all larger sizes,
Garrett maybe if you would try that on your system and see if that helps
you, I could envision making this a tunable at some point perhaps?
If you can provide a patch I can certainly build it in to our kernel
and have it ready the next time the production server crashes. I'd
like it to be at least a *little* tested by someone else beforehand,
though.
This should do the trick.
--
Andre
Index: dev/ixgbe/ixgbe.c
===================================================================
--- dev/ixgbe/ixgbe.c (revision 247893)
+++ dev/ixgbe/ixgbe.c (working copy)
@@ -1120,12 +1120,8 @@
*/
if (adapter->max_frame_size <= 2048)
adapter->rx_mbuf_sz = MCLBYTES;
- else if (adapter->max_frame_size <= 4096)
+ else
adapter->rx_mbuf_sz = MJUMPAGESIZE;
- else if (adapter->max_frame_size <= 9216)
- adapter->rx_mbuf_sz = MJUM9BYTES;
- else
- adapter->rx_mbuf_sz = MJUM16BYTES;
/* Prepare receive descriptors and buffers */
if (ixgbe_setup_receive_structures(adapter)) {
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