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Diffstat (limited to 'mm/page_isolation.c')
-rw-r--r--mm/page_isolation.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/mm/page_isolation.c b/mm/page_isolation.c
index eb3a68ca92ad..5819cb9c62f3 100644
--- a/mm/page_isolation.c
+++ b/mm/page_isolation.c
@@ -37,8 +37,8 @@ static struct page *has_unmovable_pages(unsigned long start_pfn, unsigned long e
struct zone *zone = page_zone(page);
unsigned long pfn;
- VM_BUG_ON(ALIGN_DOWN(start_pfn, pageblock_nr_pages) !=
- ALIGN_DOWN(end_pfn - 1, pageblock_nr_pages));
+ VM_BUG_ON(pageblock_start_pfn(start_pfn) !=
+ pageblock_start_pfn(end_pfn - 1));
if (is_migrate_cma_page(page)) {
/*
@@ -172,7 +172,7 @@ static int set_migratetype_isolate(struct page *page, int migratetype, int isol_
* to avoid redundant checks.
*/
check_unmovable_start = max(page_to_pfn(page), start_pfn);
- check_unmovable_end = min(ALIGN(page_to_pfn(page) + 1, pageblock_nr_pages),
+ check_unmovable_end = min(pageblock_end_pfn(page_to_pfn(page)),
end_pfn);
unmovable = has_unmovable_pages(check_unmovable_start, check_unmovable_end,
@@ -532,7 +532,7 @@ int start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
unsigned long pfn;
struct page *page;
/* isolation is done at page block granularity */
- unsigned long isolate_start = ALIGN_DOWN(start_pfn, pageblock_nr_pages);
+ unsigned long isolate_start = pageblock_start_pfn(start_pfn);
unsigned long isolate_end = ALIGN(end_pfn, pageblock_nr_pages);
int ret;
bool skip_isolation = false;
@@ -579,10 +579,9 @@ void undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
{
unsigned long pfn;
struct page *page;
- unsigned long isolate_start = ALIGN_DOWN(start_pfn, pageblock_nr_pages);
+ unsigned long isolate_start = pageblock_start_pfn(start_pfn);
unsigned long isolate_end = ALIGN(end_pfn, pageblock_nr_pages);
-
for (pfn = isolate_start;
pfn < isolate_end;
pfn += pageblock_nr_pages) {