On Mon, May 30, 2016 at 07:37:39PM +0200, Geert Uytterhoeven wrote:
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index dba8cfd0b2d6..f2c1e47adc11 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3232,6 +3232,9 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
* allocations are system rather than user orientated
*/
ac->zonelist = node_zonelist(numa_node_id(), gfp_mask);
+ ac->preferred_zoneref = first_zones_zonelist(ac->zonelist,
+ ac->high_zoneidx, ac->nodemask);
+ ac->classzone_idx = zonelist_zone_idx(ac->preferred_zoneref);
page = get_page_from_freelist(gfp_mask, order,
ALLOC_NO_WATERMARKS, ac);
if (page)
Thanks, but unfortunately it doesn't help.
Thanks. Please try the following instead
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index bb320cde4d6d..557549c81083 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3024,6 +3024,7 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
apply_fair = false;
fair_skipped = false;
reset_alloc_batches(ac->preferred_zoneref->zone);
+ z = ac->preferred_zoneref;
goto zonelist_scan;
}
--
Mel Gorman
SUSE Labs
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