#include <linux/delayacct.h>
#include <linux/sysctl.h>
#include <linux/oom.h>
+#include <linux/prefetch.h>
#include <asm/tlbflush.h>
#include <asm/div64.h>
* back off and wait for congestion to clear because further reclaim
* will encounter the same problem
*/
- if (nr_dirty == nr_congested && nr_dirty != 0)
+ if (nr_dirty && nr_dirty == nr_congested && scanning_global_lru(sc))
zone_set_flag(zone, ZONE_CONGESTED);
free_page_list(&free_pages);