From e7bbdd071314b52507e6c615e2cec90d46f82c57 Mon Sep 17 00:00:00 2001 From: Alexander Kuleshov Date: Thu, 5 Nov 2015 18:46:38 -0800 Subject: mm/mincore: 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/mincore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'mm/mincore.c') diff --git a/mm/mincore.c b/mm/mincore.c index be25efde64a4..14bb9fb37f0c 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -234,7 +234,7 @@ SYSCALL_DEFINE3(mincore, unsigned long, start, size_t, len, /* This also avoids any overflows on PAGE_CACHE_ALIGN */ pages = len >> PAGE_SHIFT; - pages += (len & ~PAGE_MASK) != 0; + pages += (offset_in_page(len)) != 0; if (!access_ok(VERIFY_WRITE, vec, pages)) return -EFAULT; -- cgit