When we found that the flag has a bit of PAGE_FLAGS_CHECK_AT_PREP, we reset the flag. If we always reset the flag, we can reduce one branch operation. So remove it. Cc: Hugh Dickins <hughd@xxxxxxxxxx> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8fcced7..778f2a9 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -614,8 +614,7 @@ static inline int free_pages_check(struct page *page) return 1; } page_nid_reset_last(page); - if (page->flags & PAGE_FLAGS_CHECK_AT_PREP) - page->flags &= ~PAGE_FLAGS_CHECK_AT_PREP; + page->flags &= ~PAGE_FLAGS_CHECK_AT_PREP; return 0; } -- 1.7.9.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>