From: Johannes Weiner <hannes@xxxxxxxxxxx> Needs-signed-off --- mm/page_alloc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index f861d02..61e9e8c 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1547,7 +1547,15 @@ again: get_pageblock_migratetype(page)); } + /* + * All allocations eat into the round-robin batch, even + * allocations that are not subject to round-robin placement + * themselves. This makes sure that allocations that ARE + * subject to round-robin placement compensate for the + * allocations that aren't, to have equal placement overall. + */ __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order)); + __count_zone_vm_events(PGALLOC, zone, 1 << order); zone_statistics(preferred_zone, zone, gfp_flags); local_irq_restore(flags); -- 1.8.4 -- 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>