From: Jesse Barnes <jbarnes@engr.sgi.com>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, steiner@sgi.com
Subject: Re: [PATCH] allocate page caches pages in round robin fasion
Date: Thu, 12 Aug 2004 17:25:15 -0700 [thread overview]
Message-ID: <200408121725.15985.jbarnes@engr.sgi.com> (raw)
In-Reply-To: <20040813001331.GR11200@holomorphy.com>
On Thursday, August 12, 2004 5:13 pm, William Lee Irwin III wrote:
> Interesting. This may attempt to allocate from offlined nodes, assuming
> one adds on sufficient hotplug bits atop mainline and/or -mm. The
> following almost does it hotplug-safe except that it needs to enter the
> allocator with preemption disabled and drop the preempt_count
> internally to it.
Can we make alloc_pages_node take offline nodes instead? Maybe it could just
allocate from the next nearest node or something?
> I suspect we are better off punting this in the direction of hotplug
> people than trying to address it ourselves. I think we should go with
> this now, as the node hotplug bits are yet to hit the tree.
Yeah, agreed.
Jesse
next prev parent reply other threads:[~2004-08-13 0:27 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-12 23:46 [PATCH] allocate page caches pages in round robin fasion Jesse Barnes
2004-08-13 0:13 ` William Lee Irwin III
2004-08-13 0:25 ` Jesse Barnes [this message]
2004-08-13 0:32 ` William Lee Irwin III
2004-08-13 14:50 ` Martin J. Bligh
2004-08-13 15:59 ` Jesse Barnes
2004-08-13 16:20 ` Martin J. Bligh
2004-08-13 16:34 ` Jesse Barnes
2004-08-13 16:47 ` Martin J. Bligh
2004-08-13 17:31 ` Nick Piggin
2004-08-13 21:16 ` Martin J. Bligh
2004-08-13 22:59 ` Martin J. Bligh
2004-08-14 1:21 ` Nick Piggin
[not found] <fa.hmrqqf6.ckie1e@ifi.uio.no>
[not found] ` <fa.cg3cafa.ngi9og@ifi.uio.no>
2004-08-13 17:31 ` Ray Bryant
[not found] <fa.hmbmqn2.d4ef9c@ifi.uio.no>
[not found] ` <fa.g1i2d5e.1kgqq80@ifi.uio.no>
2004-08-13 16:33 ` Ray Bryant
[not found] <2sxuC-429-3@gated-at.bofh.it>
2004-08-13 1:14 ` Andi Kleen
2004-08-13 1:26 ` William Lee Irwin III
2004-08-13 1:29 ` Jesse Barnes
2004-08-13 16:04 ` Jesse Barnes
2004-08-13 17:31 ` Brent Casavant
2004-08-13 20:16 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2004-08-12 23:38 Jesse Barnes
2004-08-13 1:36 ` Dave Hansen
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