From: Pekka Enberg <penberg@cs.helsinki.fi>
To: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: Hugh Dickins <hugh@veritas.com>, Nick Piggin <npiggin@suse.de>,
Linux Memory Management List <linux-mm@kvack.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Lin Ming <ming.m.lin@intel.com>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [patch] SLQB slab allocator
Date: Mon, 02 Feb 2009 11:00:14 +0200 [thread overview]
Message-ID: <1233565214.17835.13.camel@penberg-laptop> (raw)
In-Reply-To: <1233545923.2604.60.camel@ymzhang>
Hi Yanmin,
On Mon, 2009-02-02 at 11:38 +0800, Zhang, Yanmin wrote:
> Can we add a checking about free memory page number/percentage in function
> allocate_slab that we can bypass the first try of alloc_pages when memory
> is hungry?
If the check isn't too expensive, I don't any reason not to. How would
you go about checking how much free pages there are, though? Is there
something in the page allocator that we can use for this?
Pekka
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next prev parent reply other threads:[~2009-02-02 9:00 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-21 14:30 [patch] SLQB slab allocator Nick Piggin
2009-01-21 14:59 ` Ingo Molnar
2009-01-21 15:17 ` Nick Piggin
2009-01-21 16:56 ` Nick Piggin
2009-01-21 17:40 ` Ingo Molnar
2009-01-23 3:31 ` Nick Piggin
2009-01-23 6:14 ` Nick Piggin
2009-01-23 12:56 ` Ingo Molnar
2009-01-21 17:59 ` Joe Perches
2009-01-23 3:35 ` Nick Piggin
2009-01-23 4:00 ` Joe Perches
2009-01-21 18:10 ` Hugh Dickins
2009-01-22 10:01 ` Pekka Enberg
2009-01-22 12:47 ` Hugh Dickins
2009-01-23 14:23 ` Hugh Dickins
2009-01-23 14:30 ` Pekka Enberg
2009-02-02 3:38 ` Zhang, Yanmin
2009-02-02 9:00 ` Pekka Enberg [this message]
2009-02-02 15:00 ` Christoph Lameter
2009-02-03 1:34 ` Zhang, Yanmin
2009-02-03 7:29 ` Zhang, Yanmin
2009-02-03 12:18 ` Hugh Dickins
2009-02-04 2:21 ` Zhang, Yanmin
2009-02-05 19:04 ` Hugh Dickins
2009-02-06 0:47 ` Zhang, Yanmin
2009-02-06 8:57 ` Pekka Enberg
2009-02-06 12:33 ` Hugh Dickins
2009-02-10 8:56 ` Zhang, Yanmin
2009-02-02 11:50 ` Hugh Dickins
2009-01-23 3:55 ` Nick Piggin
2009-01-23 13:57 ` Hugh Dickins
2009-01-22 8:45 ` Zhang, Yanmin
2009-01-23 3:57 ` Nick Piggin
2009-01-23 9:00 ` Nick Piggin
2009-01-23 13:34 ` Hugh Dickins
2009-01-23 13:44 ` Nick Piggin
2009-01-23 9:55 ` Andi Kleen
2009-01-23 10:13 ` Pekka Enberg
2009-01-23 11:25 ` Nick Piggin
2009-01-23 11:57 ` Andi Kleen
2009-01-23 13:18 ` Nick Piggin
2009-01-23 14:04 ` Andi Kleen
2009-01-23 14:27 ` Nick Piggin
2009-01-23 15:06 ` Andi Kleen
2009-01-23 15:15 ` Nick Piggin
2009-01-23 12:55 ` Nick Piggin
-- strict thread matches above, loose matches on Subject: below --
2009-01-14 9:04 Nick Piggin
2009-01-14 10:53 ` Pekka Enberg
2009-01-14 11:47 ` Nick Piggin
2009-01-14 13:44 ` Pekka Enberg
2009-01-14 14:22 ` Nick Piggin
2009-01-14 14:45 ` Pekka Enberg
2009-01-14 15:09 ` Nick Piggin
2009-01-14 15:22 ` Nick Piggin
2009-01-14 15:30 ` Pekka Enberg
2009-01-14 15:59 ` Nick Piggin
2009-01-14 18:40 ` Christoph Lameter
2009-01-15 6:19 ` Nick Piggin
2009-01-15 20:47 ` Christoph Lameter
2009-01-16 3:43 ` Nick Piggin
2009-01-16 21:25 ` Christoph Lameter
2009-01-19 6:18 ` Nick Piggin
2009-01-22 0:13 ` Christoph Lameter
2009-01-22 9:27 ` Pekka Enberg
2009-01-22 9:30 ` Zhang, Yanmin
2009-01-22 9:33 ` Pekka Enberg
2009-01-23 15:32 ` Christoph Lameter
2009-01-23 15:37 ` Pekka Enberg
2009-01-23 15:42 ` Christoph Lameter
2009-01-23 15:32 ` Christoph Lameter
2009-01-23 4:09 ` Nick Piggin
2009-01-23 15:41 ` Christoph Lameter
2009-01-23 15:53 ` Nick Piggin
2009-01-26 17:28 ` Christoph Lameter
2009-02-03 1:53 ` Nick Piggin
2009-02-03 17:33 ` Christoph Lameter
2009-02-03 18:42 ` Pekka Enberg
2009-02-03 18:47 ` Pekka Enberg
2009-02-04 4:22 ` Nick Piggin
2009-02-04 20:09 ` Christoph Lameter
2009-02-05 3:18 ` Nick Piggin
2009-02-04 20:10 ` Christoph Lameter
2009-02-05 3:14 ` Nick Piggin
2009-02-04 4:07 ` Nick Piggin
2009-01-14 18:01 ` Christoph Lameter
2009-01-15 6:03 ` Nick Piggin
2009-01-15 20:05 ` Christoph Lameter
2009-01-16 3:19 ` Nick Piggin
2009-01-16 21:07 ` Christoph Lameter
2009-01-19 5:47 ` Nick Piggin
2009-01-22 0:19 ` Christoph Lameter
2009-01-23 4:17 ` Nick Piggin
2009-01-23 15:52 ` Christoph Lameter
2009-01-23 16:10 ` Nick Piggin
2009-01-23 17:09 ` Nick Piggin
2009-01-26 17:46 ` Christoph Lameter
2009-02-03 1:42 ` Nick Piggin
2009-01-26 17:34 ` Christoph Lameter
2009-02-03 1:48 ` Nick Piggin
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