On Thu 15-11-12 17:45:18, KAMEZAWA Hiroyuki wrote:
> (2012/11/14 18:15), David Rientjes wrote:
[...]
> >@@ -708,15 +671,17 @@ out:
> >
> > /*
> > * The pagefault handler calls here because it is out of memory, so kill a
> >- * memory-hogging task. If a populated zone has ZONE_OOM_LOCKED set, a
> >parallel
> >- * oom killing is already in progress so do nothing. If a task is found
> >with
> >- * TIF_MEMDIE set, it has been killed so do nothing and allow it to exit.
> >+ * memory-hogging task. If any populated zone has ZONE_OOM_LOCKED set, a
> >+ * parallel oom killing is already in progress so do nothing.
> > */
> > void pagefault_out_of_memory(void)
> > {
> >- if (try_set_system_oom()) {
> >+ struct zonelist *zonelist = node_zonelist(first_online_node,
> >+ GFP_KERNEL);
>
>
> why GFP_KERNEL ? not GFP_HIGHUSER_MOVABLE ?
I was wondering about the same but gfp_zonelist cares only about
__GFP_THISNODE so GFP_HIGHUSER_MOVABLE doesn't do any difference.
--
Michal Hocko
SUSE Labs
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