From: "Bulent Abali" <abali@us.ibm.com>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Rik van Riel <riel@conectiva.com.br>, linux-mm@kvack.org
Subject: Re: [PATCH] swap_state.c thinko
Date: Fri, 6 Apr 2001 16:20:17 -0400 [thread overview]
Message-ID: <OFF70E8B5F.A2073252-ON85256A26.006E7BF4@pok.ibm.com> (raw)
>So I don't think it would necessarily be wrong to say
>something like
>
> free -= num_physpages >> 6;
>
>to approximate the notion of "keep 1 percent slop" (remember, the 1% may
>well be on the swap device, not actually kept as free memory).
Hi,
I suggested the same thing to Rik but he rightfully said that it would
not work well for diskless (or swap-less) machines. You may want to
consider the following instead.
free -= (nr_swap_pages)? num_physpages >> 6 : 0;
By the way, disk space is cheap why not give more than 1 percent slop?
This is really accounted in the swap space and not the memory.
It will also help system out of oom_killer's radar.
Bulent Abali (abali@us.ibm.com)
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next reply other threads:[~2001-04-06 20:20 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-06 20:20 Bulent Abali [this message]
2001-04-06 20:33 ` Jeff Garzik
-- strict thread matches above, loose matches on Subject: below --
2001-04-05 15:56 Ben LaHaise
2001-04-05 16:05 ` Rik van Riel
2001-04-05 17:11 ` Ben LaHaise
2001-04-05 23:40 ` Andrea Arcangeli
2001-04-06 0:32 ` Linus Torvalds
2001-04-06 16:31 ` Hugh Dickins
2001-04-06 17:21 ` Linus Torvalds
2001-04-06 18:23 ` Hugh Dickins
2001-04-06 18:57 ` Linus Torvalds
2001-04-06 19:06 ` Rik van Riel
2001-04-06 18:47 ` Andrea Arcangeli
2001-04-06 18:37 ` Hugh Dickins
2001-04-06 19:09 ` Andrea Arcangeli
2001-04-06 18:53 ` Hugh Dickins
2001-04-06 19:14 ` Andrea Arcangeli
2001-04-06 19:03 ` Hugh Dickins
2001-04-06 20:03 ` Andrea Arcangeli
2001-04-06 19:12 ` Richard Jerrell
2001-04-06 19:52 ` Linus Torvalds
2001-04-06 20:22 ` Andrea Arcangeli
2001-04-06 21:04 ` Rik van Riel
2001-04-07 1:27 ` Andrea Arcangeli
2001-04-09 18:16 ` Alan Cox
2001-04-09 18:45 ` Andrea Arcangeli
2001-04-09 20:32 ` Linus Torvalds
2001-04-09 20:54 ` David L. Parsley
2001-04-10 21:07 ` James Antill
2001-04-10 22:20 ` Jeff Garzik
2001-04-06 20:48 ` Hugh Dickins
2001-04-05 17:21 ` Hugh Dickins
2001-04-05 21:39 ` Richard Jerrell
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