diff options
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r-- | mm/page_alloc.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index da69d833e067..12376ae3f733 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c | |||
@@ -749,23 +749,6 @@ int move_freepages_block(struct zone *zone, struct page *page, int migratetype) | |||
749 | return move_freepages(zone, start_page, end_page, migratetype); | 749 | return move_freepages(zone, start_page, end_page, migratetype); |
750 | } | 750 | } |
751 | 751 | ||
752 | /* Return the page with the lowest PFN in the list */ | ||
753 | static struct page *min_page(struct list_head *list) | ||
754 | { | ||
755 | unsigned long min_pfn = -1UL; | ||
756 | struct page *min_page = NULL, *page;; | ||
757 | |||
758 | list_for_each_entry(page, list, lru) { | ||
759 | unsigned long pfn = page_to_pfn(page); | ||
760 | if (pfn < min_pfn) { | ||
761 | min_pfn = pfn; | ||
762 | min_page = page; | ||
763 | } | ||
764 | } | ||
765 | |||
766 | return min_page; | ||
767 | } | ||
768 | |||
769 | /* Remove an element from the buddy allocator from the fallback list */ | 752 | /* Remove an element from the buddy allocator from the fallback list */ |
770 | static struct page *__rmqueue_fallback(struct zone *zone, int order, | 753 | static struct page *__rmqueue_fallback(struct zone *zone, int order, |
771 | int start_migratetype) | 754 | int start_migratetype) |
@@ -789,11 +772,8 @@ static struct page *__rmqueue_fallback(struct zone *zone, int order, | |||
789 | if (list_empty(&area->free_list[migratetype])) | 772 | if (list_empty(&area->free_list[migratetype])) |
790 | continue; | 773 | continue; |
791 | 774 | ||
792 | /* Bias kernel allocations towards low pfns */ | ||
793 | page = list_entry(area->free_list[migratetype].next, | 775 | page = list_entry(area->free_list[migratetype].next, |
794 | struct page, lru); | 776 | struct page, lru); |
795 | if (unlikely(start_migratetype != MIGRATE_MOVABLE)) | ||
796 | page = min_page(&area->free_list[migratetype]); | ||
797 | area->nr_free--; | 777 | area->nr_free--; |
798 | 778 | ||
799 | /* | 779 | /* |