summaryrefslogtreecommitdiff
path: root/mm
diff options
context:
space:
mode:
authorAlexander Kuleshov <kuleshovmail@gmail.com>2015-11-05 18:46:38 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-05 19:34:48 -0800
commite7bbdd071314b52507e6c615e2cec90d46f82c57 (patch)
treef91f6b43d15c31f4c1d48ab6cc6050622a49a1cd /mm
parent1824cb753354e026ab898cd472bddd540b50b00b (diff)
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 <kuleshovmail@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/mincore.c2
1 files changed, 1 insertions, 1 deletions
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;