Cleanup and simplify the code which uses page migrate type.
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
mm/page_alloc.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6b990cb..f05365f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1393,12 +1393,15 @@ int capture_free_page(struct page *page, int alloc_order, int migratetype)
zone = page_zone(page);
order = page_order(page);
+ mt = get_pageblock_migratetype(page);
- if (get_pageblock_migratetype(page) != MIGRATE_ISOLATE) {
+ if (mt != MIGRATE_ISOLATE) {
/* Obey watermarks as if the page was being allocated */
watermark = low_wmark_pages(zone) + (1 << order);
if (!zone_watermark_ok(zone, 0, watermark, 0, 0))
return 0;
+
+ __mod_zone_freepage_state(zone, -(1UL << order), mt);
}
/* Remove page from free list */
@@ -1406,10 +1409,6 @@ int capture_free_page(struct page *page, int alloc_order, int migratetype)
zone->free_area[order].nr_free--;
rmv_page_order(page);
- mt = get_pageblock_migratetype(page);
- if (unlikely(mt != MIGRATE_ISOLATE))
- __mod_zone_freepage_state(zone, -(1UL << order), mt);
-
if (alloc_order != order)
expand(zone, page, alloc_order, order,
&zone->free_area[order], migratetype);
--
1.7.9.5
--
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