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From: Andrew Morton <akpm@linux-foundation.org>
To: Minchan Kim <minchan@kernel.org>
Cc: linux-mm@kvack.org, KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Subject: Re: needed lru_add_drain_all() change
Date: Tue, 26 Jun 2012 18:29:13 -0700	[thread overview]
Message-ID: <20120626182913.4098e5c4.akpm@linux-foundation.org> (raw)
In-Reply-To: <4FEA5FD8.9060806@kernel.org>

On Wed, 27 Jun 2012 10:20:24 +0900 Minchan Kim <minchan@kernel.org> wrote:

> >> Yes. Changing looks simple.
> >> I'm okay with lru_[activate_page|deactivate]_pvecs because it's not hot
> >> but lru_rotate_pvecs is hotter than others.
> > 
> > I don't think any change is needed for lru_rotate_pvecs?
> 
> 
> Sorry for the typo
> lru_add_pvecs

OK.

A local_irq_save/restore shouldn't be tooooo expensive.  We can remove
the current get_cpu()/put_cpu() to reclaim some of the overhead.

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  reply	other threads:[~2012-06-27  1:28 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-26 21:37 needed lru_add_drain_all() change Andrew Morton
2012-06-27  0:55 ` Minchan Kim
2012-06-27  1:15   ` Andrew Morton
2012-06-27  1:20     ` Minchan Kim
2012-06-27  1:29       ` Andrew Morton [this message]
2012-06-27  2:09     ` Minchan Kim
2012-06-27  5:12       ` Andrew Morton
2012-06-27  5:41         ` Minchan Kim
2012-06-27  5:55           ` Andrew Morton
2012-06-27  6:33             ` Minchan Kim
2012-06-27  6:41               ` Andrew Morton
2012-06-27 10:27                 ` Peter Zijlstra
2012-06-27  6:46               ` Andrew Morton
2012-06-27 10:31                 ` Peter Zijlstra
2012-06-27 12:04 ` Peter Zijlstra
2012-06-28  6:23 ` KOSAKI Motohiro
2012-06-29  3:47   ` Kamezawa Hiroyuki
2012-06-28  7:43 ` Kamezawa Hiroyuki
2012-06-28 23:42   ` Minchan Kim
2012-06-29  3:24     ` Kamezawa Hiroyuki

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