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 <kuleshovmail@xxxxxxxxx> --- 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 -- 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>