From: Rajagopal Ananthanarayanan <ananth@sgi.com>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: riel@nl.linux.org, Benjamin Redelings I <bredelin@ucla.edu>,
linux-mm@kvack.org
Subject: Re: [DATAPOINT] pre7-6 will not swap
Date: Sun, 07 May 2000 12:13:23 -0700 [thread overview]
Message-ID: <3915C053.EE77396C@sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.10.10005071048120.30202-100000@cesium.transmeta.com>
Linus Torvalds wrote:
>
>
> It can also make the aging less efficient.
>
> But my real reason for disliking it is that I prefer conceptually simple
> approaches, and that one test just doesn't fit conceptually ;)
Linus & Rik, agreed that the second_scan logic I proposed
earlier was not perfect.
And, I agree that we should make things simpler. One question
about what shrink_mmap is trying to accomplish, conceptually:
In the presense unreferenced pages in zones with free_pages > pages_high,
should shrink_mmap ever fail? Current shrink_mmap will
always skip over the pages of such zones. This in turn
can lead to swapping.
--------------------------------------------------------------------------
Rajagopal Ananthanarayanan ("ananth")
Member Technical Staff, SGI.
--------------------------------------------------------------------------
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next prev parent reply other threads:[~2000-05-07 19:13 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <8evk0f$7jote$1@fido.engr.sgi.com>
2000-05-06 17:12 ` Rajagopal Ananthanarayanan
2000-05-06 4:25 ` Benjamin Redelings I
2000-05-06 19:35 ` Linus Torvalds
2000-05-06 5:35 ` Benjamin Redelings I
2000-05-06 21:46 ` Rik van Riel
2000-05-06 22:24 ` Rajagopal Ananthanarayanan
2000-05-06 14:03 ` Benjamin Redelings I
2000-05-07 0:22 ` Rik van Riel
2000-05-07 2:23 ` Linus Torvalds
2000-05-07 17:40 ` Rik van Riel
2000-05-07 17:53 ` Linus Torvalds
2000-05-07 19:13 ` Rajagopal Ananthanarayanan [this message]
2000-05-07 19:30 ` Linus Torvalds
2000-05-08 20:40 ` gprof data for pre7-6 Rajagopal Ananthanarayanan
2000-05-09 1:52 ` [DATAPOINT] pre7-6 will not swap Quintela Carreira Juan J.
2000-05-09 2:28 ` Rajagopal Ananthanarayanan
2000-05-09 2:33 ` Linus Torvalds
2000-05-09 3:31 ` Rajagopal Ananthanarayanan
2000-05-09 15:56 ` [DATAPOINT] pre7-8 swaps with FREE mem? Benjamin Redelings I
2000-05-06 20:12 ` PG_referenced and lru_cache (cpu%) Roger Larsson
2000-05-06 18:31 ` Rik van Riel
2000-05-06 22:16 ` Roger Larsson
2000-05-05 8:07 [DATAPOINT] pre7-6 will not swap Benjamin Redelings I
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