From: Andrew Morton <akpm@linux-foundation.org>
To: Rik van Riel <riel@redhat.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH] free swap space of (re)activated pages
Date: Fri, 2 Mar 2007 17:18:18 -0800 [thread overview]
Message-ID: <20070302171818.d271348e.akpm@linux-foundation.org> (raw)
In-Reply-To: <45E88997.4050308@redhat.com>
On Fri, 02 Mar 2007 15:31:19 -0500
Rik van Riel <riel@redhat.com> wrote:
> the attached patch frees the swap space of already resident pages
> when swap space starts getting tight, instead of only freeing up
> the swap space taken up by newly swapped in pages.
>
> This should result in the swap space of pages that remain resident
> in memory being freed, allowing kswapd more chances to actually swap
> a page out (instead of rotating it back onto the active list).
Fair enough. How do we work out if this helps things?
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next prev parent reply other threads:[~2007-03-03 1:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-02 20:31 Rik van Riel
2007-03-03 1:18 ` Andrew Morton [this message]
2007-03-03 1:31 ` Rik van Riel
2007-03-03 3:04 ` Con Kolivas
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