Messages in this thread |  | | Date | Tue, 25 Sep 2001 18:25:10 -0300 (BRT) | From | Marcelo Tosatti <> | Subject | Re: __alloc_pages: 0-order allocation failed |
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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?
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