Re: 2.6.33 problems
From: Eric Dumazet
Date: Tue Mar 02 2010 - 18:30:30 EST
Le mardi 02 mars 2010 Ã 14:42 -0800, Stephen Hemminger a Ãcrit :
> The SNMP MIB stuff does allocate a disproportionately large amount of percpu
> data. Looks like 2 tables per MIB.
But did this percpu usage grew with 2.6.33 ?
In my understanding, ipv6 always wanted a lot of percpu data for its
MIBS (including per device MIBS), the big increase occurred with commit
from David L Stevens, when RFC 4293 was implemented.
On IPV6, each net device needed 4096/8192 additional bytes of memory per
An attempt to reduce SNMP mibs by 50% was attempted one ago, but not
completed. I'll try to find some time to resurrect the patch.
[RFC] percpu: convert SNMP mibs to new infra
(use one single table, for both user/bh contexts on x86)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/