ac->classzone_idx is determined by the index of the preferred zone and cached
to avoid repeated calculations. wake_all_kswapds() should use it instead of
using zone_idx() within a loop.
Signed-off-by: Mel Gorman <mgor...@suse.de>
---
mm/page_alloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4108743eb801..886102cc9b09 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2307,7 +2307,7 @@ static void wake_all_kswapds(unsigned int order, const
struct alloc_context *ac)
for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,
ac->high_zoneidx, ac->nodemask)
- wakeup_kswapd(zone, order, zone_idx(ac->preferred_zone));
+ wakeup_kswapd(zone, order, ac->classzone_idx);
}
static inline int
--
2.3.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
