From: Peter Zijlstra <peterz@infradead.org>
To: Mark Lord <lkml@rtr.ca>
Cc: Andrew Morton <akpm@linux-foundation.org>,
davej@redhat.com, tim.c.chen@linux.intel.com,
linux-kernel@vger.kernel.org, torvalds@linux-foundation.org
Subject: Re: Change in default vm_dirty_ratio
Date: Thu, 21 Jun 2007 18:55:53 +0200 [thread overview]
Message-ID: <1182444953.21117.161.camel@twins> (raw)
In-Reply-To: <467AAD3C.8020200@rtr.ca>
On Thu, 2007-06-21 at 12:54 -0400, Mark Lord wrote:
> Andrew Morton wrote:
> >
> > What do we actually want the kernel to *do*? Stated in terms of "when the
> > dirty memory state is A, do B" and "when userspace does C, the kernel should
> > do D".
>
> When we have dirty pages awaiting write-out,
> and the write-out device is completely idle,
> then we should be writing them out.
>
> That's the easy bit taken care of. ;)
Unless we're in laptop mode, in that case we want to procrastinate.. :-)
next prev parent reply other threads:[~2007-06-21 16:56 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-18 21:14 Change in default vm_dirty_ratio Tim Chen
2007-06-18 23:47 ` Andrew Morton
2007-06-19 0:06 ` Linus Torvalds
2007-06-19 0:09 ` Arjan van de Ven
2007-06-19 18:41 ` John Stoffel
2007-06-19 19:04 ` Linus Torvalds
2007-06-19 19:06 ` Linus Torvalds
2007-06-19 22:33 ` David Miller
2007-06-19 19:57 ` Andi Kleen
2007-06-20 4:24 ` Dave Jones
2007-06-20 4:44 ` Andrew Morton
2007-06-20 8:35 ` Peter Zijlstra
2007-06-20 8:58 ` Andrew Morton
2007-06-20 9:14 ` Jens Axboe
2007-06-20 9:19 ` Peter Zijlstra
2007-06-20 9:20 ` Jens Axboe
2007-06-20 9:43 ` Peter Zijlstra
2007-06-21 22:53 ` Matt Mackall
2007-06-21 23:08 ` Linus Torvalds
2007-06-23 18:23 ` Peter Zijlstra
2007-06-24 16:40 ` Linus Torvalds
2007-06-25 0:15 ` Peter Zijlstra
2007-06-20 9:19 ` Peter Zijlstra
2007-06-21 16:54 ` Mark Lord
2007-06-21 16:55 ` Peter Zijlstra [this message]
2007-06-20 17:17 ` Linus Torvalds
2007-06-20 18:12 ` Arjan van de Ven
2007-06-20 18:28 ` Linus Torvalds
2007-06-21 12:37 ` Nadia Derbey
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