lkml.org 
[lkml]   [2001]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: __alloc_pages: 0-order allocation failed


On Wed, 26 Sep 2001, Andrea Arcangeli wrote:

> On Mon, Sep 24, 2001 at 09:38:24AM -0300, Marcelo Tosatti wrote:
> > --- linux.orig/mm/vmscan.c Mon Sep 24 10:36:40 2001
> > +++ linux/mm/vmscan.c Mon Sep 24 10:54:01 2001
> > @@ -567,6 +567,9 @@
> > if (nr_pages <= 0)
> > return 1;
> >
> > + if (nr_pages < SWAP_CLUSTER_MAX)
> > + ret |= 1;
> > +
>
> too much permissive (vm-tweaks-1 does something similar but not that
> permissive)

Andrea,

Does vm-tweaks-1 fixes the current problem we're seeing?

Also, we have to make sure _all_ progress accounting is being done
correctly (i/dcache, etc). I'll make sure that happens as soon as the OOM
problem is gone.

> > ret |= swap_out(priority, classzone, gfp_mask, SWAP_CLUSTER_MAX << 2);
> > } while (--priority);
> >
> > --- linux.orig/mm/page_alloc.c Mon Sep 24 10:36:40 2001
> > +++ linux/mm/page_alloc.c Mon Sep 24 10:44:12 2001
> > @@ -400,7 +400,7 @@
> > if (!z)
> > break;
> >
> > - if (zone_free_pages(z, order) > z->pages_high) {
> > + if (zone_free_pages(z, order) > z->pages_min) {
>
> that breaks oom detection.

Why?

-
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 13:03    [W:0.159 / U:2.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site