Messages in this thread Patch in this message | | | Date | Thu, 23 Aug 2012 16:40:13 +0800 | Subject | Fixup the page of buddy_higher address's calculation | From | Li Haifeng <> |
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From d7cd78f9d71a5c9ddeed02724558096f0bb4508a Mon Sep 17 00:00:00 2001 From: Haifeng Li <omycle@gmail.com> Date: Thu, 23 Aug 2012 16:27:19 +0800 Subject: [PATCH] Fixup the page of buddy_higher address's calculation
Signed-off-by: Haifeng Li <omycle@gmail.com> --- mm/page_alloc.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ddbc17d..5588f68 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -579,7 +579,7 @@ static inline void __free_one_page(struct page *page, combined_idx = buddy_idx & page_idx; higher_page = page + (combined_idx - page_idx); buddy_idx = __find_buddy_index(combined_idx, order + 1); - higher_buddy = page + (buddy_idx - combined_idx); + higher_buddy = page + (buddy_idx - page_idx); if (page_is_buddy(higher_page, higher_buddy, order + 1)) { list_add_tail(&page->lru, &zone->free_area[order].free_list[migratetype]); -- 1.7.5.4
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