From e4b82222712ed15813d35204c91429883d27d1d9 Mon Sep 17 00:00:00 2001 From: Minchan Kim Date: Wed, 3 May 2017 14:54:27 -0700 Subject: mm: make rmap_one boolean function rmap_one's return value controls whether rmap_work should contine to scan other ptes or not so it's target for changing to boolean. Return true if the scan should be continued. Otherwise, return false to stop the scanning. This patch makes rmap_one's return value to boolean. Link: http://lkml.kernel.org/r/1489555493-14659-10-git-send-email-minchan@kernel.org Signed-off-by: Minchan Kim Cc: Anshuman Khandual Cc: Hillf Danton Cc: Johannes Weiner Cc: Kirill A. Shutemov Cc: Michal Hocko Cc: Naoya Horiguchi Cc: Vlastimil Babka Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/rmap.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'include/linux/rmap.h') diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 1d7d457ca0dc..13ed232cbb29 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -257,7 +257,11 @@ int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma); */ struct rmap_walk_control { void *arg; - int (*rmap_one)(struct page *page, struct vm_area_struct *vma, + /* + * Return false if page table scanning in rmap_walk should be stopped. + * Otherwise, return true. + */ + bool (*rmap_one)(struct page *page, struct vm_area_struct *vma, unsigned long addr, void *arg); int (*done)(struct page *page); struct anon_vma *(*anon_lock)(struct page *page); -- cgit v1.2.3-59-g8ed1b