lkml.org 
[lkml]   [2003]   [Jul]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.5.73-mm2
On Mon, 30 Jun 2003, William Lee Irwin III wrote:
>> It was suggested during my last round of OOM killer fixes that one of
>> my patches, which just checked nr_free_buffer_pages() > 0, should also
>> consider userspace (i.e. reclaimable at will) memory free.

On Tue, Jul 01, 2003 at 11:46:34AM +0100, Hugh Dickins wrote:
> If you pursued it, wouldn't your patch also need to change
> nr_free_buffer_pages() to do what you think it does, count
> the free lowmem pages? It, and nr_free_pagecache_pages(),
> and nr_free_zone_pages(), are horribly badly named. They
> count present_pages-pages_high, they don't count free pages:
> okay for initialization estimates, useless for anything dynamic.
> Hugh
> p.s. any chance of some more imaginative Subject lines :-?

Well, I was mostly looking for getting handed back 0 when lowmem is
empty; I actually did realize they didn't give entirely accurate counts
of free lowmem pages.


-- wli
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:46    [W:1.909 / U:0.216 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site