From: Marcelo Tosatti <marcelo@conectiva.com.br>
To: Jamie Lokier <lk@tantalophile.demon.co.uk>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Ed Tomlinson <tomlins@cam.org>,
linux-mm@kvack.org
Subject: Re: swapout selection change in pre1
Date: Mon, 15 Jan 2001 06:16:25 -0200 (BRST) [thread overview]
Message-ID: <Pine.LNX.4.21.0101150605550.12963-100000@freak.distro.conectiva> (raw)
In-Reply-To: <20010115102445.B18014@pcep-jamie.cern.ch>
On Mon, 15 Jan 2001, Jamie Lokier wrote:
> Freeing pages aggressively from a process that's paging lots will make
> that process page more, meaning more aggressive freeing etc. etc.
First, we are not necessarily freeing pages from the process. We're just
unmapping the pages and putting them on the inactive lists so they can be
actually written to swap later when they become relatively old (because
the process did not faulted the page in).
Also, the process which is trying to free pages by itself will almost
certainly do IO (to sync dirty pages), which avoids it from screwing up
the system.
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next prev parent reply other threads:[~2001-01-15 8:16 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-13 3:28 Marcelo Tosatti
2001-01-13 8:05 ` Linus Torvalds
2001-01-13 7:41 ` Marcelo Tosatti
2001-01-15 1:22 ` Ed Tomlinson
2001-01-15 2:48 ` Linus Torvalds
2001-01-15 9:24 ` Jamie Lokier
2001-01-15 8:16 ` Marcelo Tosatti [this message]
2001-01-15 18:24 ` Linus Torvalds
2001-01-15 18:40 ` Jamie Lokier
2001-01-15 18:55 ` Linus Torvalds
2001-01-15 21:44 ` Jamie Lokier
2001-01-15 21:57 ` Linus Torvalds
2001-01-15 22:36 ` Jamie Lokier
2001-01-17 23:40 ` Rik van Riel
2001-01-18 15:38 ` Roman Zippel
2001-01-17 7:19 ` Rik van Riel
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