[lkml]   [2007]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH 07/12] use a dynamic pool of sk_buffs to keep up with fast targets
On Mon, Jul 02, 2007 at 09:40:36PM -0700, David Miller wrote:
> From: Andrew Morton <>
> Date: Mon, 2 Jul 2007 21:36:36 -0700
> > My initial thought is that if there is a legitimate need for this
> > new capability then it should be made available to other parts of
> > the kernel rather than being private to the AEO driver.
> Absolutely.
> We even used to have something like this on a per-cpu basis but using
> generic SLAB is so much better for caching and NUMA that we got rid of
> that.
> Every sk_buff private "quicklist" pool implementation you
> see should essentially be NAK'd from the get go, it's
> meaningless and if it's really needed one should investigate
> why SKB allocations become such a problem instead of papering
> over the issue. :-)

This is in the VM write-back path. SLAB is insufficient to avoid

Mathematics is the supreme nostalgia of our time.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2007-07-03 20:49    [W:0.157 / U:9.720 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site