Disabling 9k jumbo clusters on mce(4)

Konstantin Belousov kostikbel at gmail.com
Fri May 3 17:47:30 UTC 2019


On Fri, May 03, 2019 at 12:55:54PM -0400, Garrett Wollman wrote:
> Does anyone have an easy patch to keep mce(4) from trying to use 9k
> jumbo mbuf clusters?  I think I went down this road once before but
> the fix wasn't as obvious as it is for the Intel drivers.  (I assume
> the hardware is not so broken that it requires packets to be stored in
> contiguous physical memory.)
mce(4) only uses 9k clusters when you configured jumbo size larger than 4k.
See r336407.


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