From: Andrew Morton <akpm@digeo.com>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: linux-kernel@vger.kernel.org, mbligh@aracnet.com
Subject: Re: [PATCH] patch-slab-split-03-tail
Date: Fri, 04 Oct 2002 12:06:04 -0700 [thread overview]
Message-ID: <3D9DE69C.C6E88C9F@digeo.com> (raw)
In-Reply-To: 3D9DCA1D.7070400@colorfullife.com
Manfred Spraul wrote:
>
> part 3:
> [depends on -02-SMP]
>
> If an object is freed from a slab, then move the slab to the tail of the
> partial list - this should increase the probability that the other
> objects from the same page are freed, too, and that a page can be
> returned to gfp later.
>
> The cpu arrays are now always in front of the list, i.e. cache hit rates
> should not matter.
>
Run that by me again? So we're saying "if we just freed an
object from this page then make this page be the *last* page
which is eligible for new allocations"? Under the assumption
that other objects in that same page are about to be freed
up as well?
Makes sense. It would be nice to get this confirmed in
targetted testing ;)
next prev parent reply other threads:[~2002-10-04 19:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-04 17:04 [PATCH] patch-slab-split-03-tail Manfred Spraul
2002-10-04 19:06 ` Andrew Morton [this message]
2002-10-04 19:07 ` Martin J. Bligh
2002-10-04 19:15 ` Andrew Morton
2002-10-04 19:15 ` Manfred Spraul
2002-10-04 20:22 ` Randy.Dunlap
2002-10-04 21:25 ` Manfred Spraul
2002-10-04 21:43 ` Robert Love
2002-10-04 22:30 ` Manfred Spraul
2002-10-05 0:14 ` Anton Blanchard
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