We have been reclaimed highmem zone if buffer_heads is over limit but [1] changed the behavior so it doesn't reclaim highmem zone although buffer_heads is over the limit. This patch restores the logic. [1] commit 6b4f7799c6a5 ("mm: vmscan: invoke slab shrinkers from shrink_zone()") Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx> --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index c7696a2e11c7..d84efa03c8a8 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2550,7 +2550,7 @@ static void shrink_zones(struct zonelist *zonelist, struct scan_control *sc) sc->gfp_mask |= __GFP_HIGHMEM; for_each_zone_zonelist_nodemask(zone, z, zonelist, - requested_highidx, sc->nodemask) { + gfp_zone(sc->gfp_mask), sc->nodemask) { enum zone_type classzone_idx; if (!populated_zone(zone)) -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>