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authorAlexander Kuleshov <kuleshovmail@gmail.com>2015-11-05 18:46:32 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-05 19:34:48 -0800
commitb0d61c7e56815b0b881c81f6779a65f4fdae4bc0 (patch)
tree74fe5a6b07d5ee5bd12b83c89823629163a765b1
parentc118baf802562688d46e6002f2b5fe66b947da21 (diff)
mm/msync: use offset_in_page macro
linux/mm.h provides offset_in_page() macro. Let's use already predefined macro instead of (addr & ~PAGE_MASK). Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/msync.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/msync.c b/mm/msync.c
index bb04d53ae852..24e612fefa04 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -38,7 +38,7 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
if (flags & ~(MS_ASYNC | MS_INVALIDATE | MS_SYNC))
goto out;
- if (start & ~PAGE_MASK)
+ if (offset_in_page(start))
goto out;
if ((flags & MS_ASYNC) && (flags & MS_SYNC))
goto out;