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    SubjectRe: [patch 6/7 -mm] oom: avoid oom killer for lowmem allocations
    On 02/10/2010 11:32 AM, David Rientjes wrote:

    > diff --git a/mm/page_alloc.c b/mm/page_alloc.c
    > --- a/mm/page_alloc.c
    > +++ b/mm/page_alloc.c
    > @@ -1914,6 +1914,9 @@ rebalance:
    > * running out of options and have to consider going OOM
    > */
    > if (!did_some_progress) {
    > + /* The oom killer won't necessarily free lowmem */
    > + if (high_zoneidx< ZONE_NORMAL)
    > + goto nopage;
    > if ((gfp_mask& __GFP_FS)&& !(gfp_mask& __GFP_NORETRY)) {
    > if (oom_killer_disabled)
    > goto nopage;

    Are there architectures that only have one memory zone?

    s390 or one of the other virtualized-only architectures perhaps?

    --
    All rights reversed.


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