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-rw-r--r--mm/compaction.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 25e75e3e2ac6..05ccb4cc0bdb 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -86,7 +86,7 @@ static inline bool isolation_suitable(struct compact_control *cc,
static void __reset_isolation_suitable(struct zone *zone)
{
unsigned long start_pfn = zone->zone_start_pfn;
- unsigned long end_pfn = zone->zone_start_pfn + zone->spanned_pages;
+ unsigned long end_pfn = zone_end_pfn(zone);
unsigned long pfn;
zone->compact_cached_migrate_pfn = start_pfn;
@@ -647,7 +647,7 @@ static void isolate_freepages(struct zone *zone,
struct compact_control *cc)
{
struct page *page;
- unsigned long high_pfn, low_pfn, pfn, zone_end_pfn, end_pfn;
+ unsigned long high_pfn, low_pfn, pfn, z_end_pfn, end_pfn;
int nr_freepages = cc->nr_freepages;
struct list_head *freelist = &cc->freepages;
@@ -666,7 +666,7 @@ static void isolate_freepages(struct zone *zone,
*/
high_pfn = min(low_pfn, pfn);
- zone_end_pfn = zone->zone_start_pfn + zone->spanned_pages;
+ z_end_pfn = zone_end_pfn(zone);
/*
* Isolate free pages until enough are available to migrate the
@@ -709,7 +709,7 @@ static void isolate_freepages(struct zone *zone,
* only scans within a pageblock
*/
end_pfn = ALIGN(pfn + 1, pageblock_nr_pages);
- end_pfn = min(end_pfn, zone_end_pfn);
+ end_pfn = min(end_pfn, z_end_pfn);
isolated = isolate_freepages_block(cc, pfn, end_pfn,
freelist, false);
nr_freepages += isolated;
@@ -923,7 +923,7 @@ static int compact_zone(struct zone *zone, struct compact_control *cc)
{
int ret;
unsigned long start_pfn = zone->zone_start_pfn;
- unsigned long end_pfn = zone->zone_start_pfn + zone->spanned_pages;
+ unsigned long end_pfn = zone_end_pfn(zone);
ret = compaction_suitable(zone, cc->order);
switch (ret) {