Messages in this thread | | | Date | Tue, 1 Jul 2003 03:51:34 -0700 | From | William Lee Irwin III <> | Subject | Re: 2.5.73-mm2 |
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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.
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