From: cl@linux.com (Christoph Lameter)
Subject: [ltt-dev] [PATCH] Fix dirty page accounting in redirty_page_for_writepage()
Date: Thu, 30 Apr 2009 09:22:22 -0400 (EDT) [thread overview]
Message-ID: <alpine.DEB.1.10.0904300921290.22262@qirst.com> (raw)
In-Reply-To: <20090430024303.GB19875@Krystal>
On Wed, 29 Apr 2009, Mathieu Desnoyers wrote:
> to have a good look at the memory accounting code. We could probably
> benefit of Christoph Lameter's cpu ops (using segment registers to
> address per-cpu variables with atomic inc/dec) in there. Or at least
> removing interrupt disabling by using preempt disable and local_t
> variables for the per-cpu counters could bring some benefit.
Guess we are ready for atomic per cpu ops now that the new per cpu
allocator is in? Segment register issues with the PDA are also solved
right?
next prev parent reply other threads:[~2009-04-30 13:22 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-29 23:25 Mathieu Desnoyers
2009-04-29 23:56 ` Mathieu Desnoyers
2009-04-29 23:59 ` Andrew Morton
2009-04-30 2:34 ` Mathieu Desnoyers
2009-04-30 0:06 ` Linus Torvalds
2009-04-30 2:43 ` Mathieu Desnoyers
2009-04-30 6:21 ` Ingo Molnar
2009-04-30 6:33 ` Mathieu Desnoyers
2009-04-30 6:50 ` Ingo Molnar
2009-04-30 13:38 ` Christoph Lameter
2009-04-30 14:10 ` Ingo Molnar
2009-04-30 14:12 ` Mathieu Desnoyers
2009-04-30 14:12 ` Christoph Lameter
2009-04-30 19:41 ` Mathieu Desnoyers
2009-04-30 20:17 ` Christoph Lameter
2009-04-30 21:17 ` Mathieu Desnoyers
2009-04-30 13:22 ` Christoph Lameter [this message]
2009-04-30 13:38 ` Ingo Molnar
2009-04-30 13:40 ` Christoph Lameter
2009-04-30 14:14 ` Ingo Molnar
2009-04-30 14:15 ` Christoph Lameter
2009-04-30 14:38 ` Ingo Molnar
2009-04-30 14:45 ` Christoph Lameter
2009-04-30 15:01 ` Ingo Molnar
2009-04-30 15:25 ` Christoph Lameter
2009-04-30 15:42 ` Ingo Molnar
2009-04-30 15:44 ` Christoph Lameter
2009-04-30 16:06 ` Ingo Molnar
2009-04-30 16:11 ` Christoph Lameter
2009-04-30 16:16 ` Linus Torvalds
2009-04-30 17:23 ` Ingo Molnar
2009-04-30 18:07 ` Christoph Lameter
2009-04-30 16:13 ` Linus Torvalds
2009-04-30 15:54 ` Ingo Molnar
2009-04-30 16:00 ` Ingo Molnar
2009-04-30 16:08 ` Christoph Lameter
2009-04-30 13:50 ` Mathieu Desnoyers
2009-04-30 13:55 ` Christoph Lameter
2009-04-30 14:32 ` Ingo Molnar
2009-04-30 14:42 ` Christoph Lameter
2009-04-30 14:59 ` Ingo Molnar
2009-04-30 16:03 ` Mathieu Desnoyers
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