diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 5a595554bd8..76cc3f7dd4f 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1228,7 +1228,6 @@ static int __split_huge_page_splitting(struct page *page, static void __split_huge_page_refcount(struct page *page) { int i; - unsigned long head_index = page->index; struct zone *zone = page_zone(page); int zonestat; int tail_count = 0; @@ -1239,7 +1238,7 @@ static void __split_huge_page_refcount(struct page *page) /* complete memcg works before add pages to LRU */ mem_cgroup_split_huge_fixup(page); - for (i = 1; i < HPAGE_PMD_NR; i++) { + for (i = HPAGE_PMD_NR - 1; i >= 1; i--) { struct page *page_tail = page + i; /* tail_page->_mapcount cannot change */ @@ -1302,7 +1301,7 @@ static void __split_huge_page_refcount(struct page *page) BUG_ON(page_tail->mapping); page_tail->mapping = page->mapping; - page_tail->index = ++head_index; + page_tail->index = page->index + i; BUG_ON(!PageAnon(page_tail)); BUG_ON(!PageUptodate(page_tail)); |