diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 8760a4abfa1..9e2ef3624d7 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1592,6 +1592,11 @@ module_init(kswapd_init) */ int zone_reclaim_mode __read_mostly; +#define RECLAIM_OFF 0 +#define RECLAIM_ZONE (1<<0) /* Run shrink_cache on the zone */ +#define RECLAIM_WRITE (1<<1) /* Writeout pages during reclaim */ +#define RECLAIM_SWAP (1<<2) /* Swap pages out during reclaim */ + /* * Mininum time between zone reclaim scans */ @@ -1630,8 +1635,8 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) if (!cpus_empty(mask) && node_id != numa_node_id()) return 0; - sc.may_writepage = 0; - sc.may_swap = 0; + sc.may_writepage = !!(zone_reclaim_mode & RECLAIM_WRITE); + sc.may_swap = !!(zone_reclaim_mode & RECLAIM_SWAP); sc.nr_scanned = 0; sc.nr_reclaimed = 0; sc.priority = ZONE_RECLAIM_PRIORITY + 1; |