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authorAlexander Kuleshov <kuleshovmail@gmail.com>2015-11-05 18:46:46 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-11-05 19:34:48 -0800
commitea53cde089e07cfd7996c2072f770ebb984ce8db (patch)
treee69eeafcdc456d92168ff0be6521125d49c9a4fa /mm/util.c
parentf09f1243ca2d5d297881bf2c2148d9ab35314314 (diff)
mm/util: 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/util.c')
-rw-r--r--mm/util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/util.c b/mm/util.c
index 68ff8a5361e7..9af1c12b310c 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -309,7 +309,7 @@ unsigned long vm_mmap(struct file *file, unsigned long addr,
{
if (unlikely(offset + PAGE_ALIGN(len) < offset))
return -EINVAL;
- if (unlikely(offset & ~PAGE_MASK))
+ if (unlikely(offset_in_page(offset)))
return -EINVAL;
return vm_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT);