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-rw-r--r--mm/page_alloc.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index e85a0dc22761..ddb0575c6b4a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4021,7 +4021,8 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, int alloc_flags,
{
struct zoneref *z;
struct zone *zone;
- struct pglist_data *last_pgdat_dirty_limit = NULL;
+ struct pglist_data *last_pgdat = NULL;
+ bool last_pgdat_dirty_ok = false;
bool no_fallback;
retry:
@@ -4060,13 +4061,13 @@ retry:
* dirty-throttling and the flusher threads.
*/
if (ac->spread_dirty_pages) {
- if (last_pgdat_dirty_limit == zone->zone_pgdat)
- continue;
+ if (last_pgdat != zone->zone_pgdat) {
+ last_pgdat = zone->zone_pgdat;
+ last_pgdat_dirty_ok = node_dirty_ok(zone->zone_pgdat);
+ }
- if (!node_dirty_ok(zone->zone_pgdat)) {
- last_pgdat_dirty_limit = zone->zone_pgdat;
+ if (!last_pgdat_dirty_ok)
continue;
- }
}
if (no_fallback && nr_online_nodes > 1 &&