diff options
Diffstat (limited to 'mm/compaction.c')
| -rw-r--r-- | mm/compaction.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index 2c1e1ff321bf..0dce7e87d771 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -207,6 +207,13 @@ static inline bool isolation_suitable(struct compact_control *cc, return !get_pageblock_skip(page); } +static void reset_cached_positions(struct zone *zone) +{ + zone->compact_cached_migrate_pfn[0] = zone->zone_start_pfn; + zone->compact_cached_migrate_pfn[1] = zone->zone_start_pfn; + zone->compact_cached_free_pfn = zone_end_pfn(zone); +} + /* * This function is called to clear all cached information on pageblocks that * should be skipped for page isolation when the migrate and free page scanner @@ -218,9 +225,6 @@ static void __reset_isolation_suitable(struct zone *zone) unsigned long end_pfn = zone_end_pfn(zone); unsigned long pfn; - zone->compact_cached_migrate_pfn[0] = start_pfn; - zone->compact_cached_migrate_pfn[1] = start_pfn; - zone->compact_cached_free_pfn = end_pfn; zone->compact_blockskip_flush = false; /* Walk the zone and mark every pageblock as suitable for isolation */ @@ -238,6 +242,8 @@ static void __reset_isolation_suitable(struct zone *zone) clear_pageblock_skip(page); } + + reset_cached_positions(zone); } void reset_isolation_suitable(pg_data_t *pgdat) @@ -1160,9 +1166,7 @@ static int __compact_finished(struct zone *zone, struct compact_control *cc, /* Compaction run completes if the migrate and free scanner meet */ if (compact_scanners_met(cc)) { /* Let the next compaction start anew. */ - zone->compact_cached_migrate_pfn[0] = zone->zone_start_pfn; - zone->compact_cached_migrate_pfn[1] = zone->zone_start_pfn; - zone->compact_cached_free_pfn = zone_end_pfn(zone); + reset_cached_positions(zone); /* * Mark that the PG_migrate_skip information should be cleared |