The <linux/mm.h> provides offset_in_page() macro. Let's use already
predefined macro instead of (addr & ~PAGE_MASK).
Signed-off-by: Alexander Kuleshov <kuleshovm...@gmail.com>
---
mm/msync.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/msync.c b/mm/msync.c
index bb04d53..24e612f 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;
--
2.5.0
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