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| author | Alexander Kuleshov <kuleshovmail@gmail.com> | 2015-11-05 18:46:46 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-05 19:34:48 -0800 |
| commit | ea53cde089e07cfd7996c2072f770ebb984ce8db (patch) | |
| tree | e69eeafcdc456d92168ff0be6521125d49c9a4fa | |
| parent | f09f1243ca2d5d297881bf2c2148d9ab35314314 (diff) | |
| download | linux-ea53cde089e07cfd7996c2072f770ebb984ce8db.tar.gz linux-ea53cde089e07cfd7996c2072f770ebb984ce8db.tar.bz2 linux-ea53cde089e07cfd7996c2072f770ebb984ce8db.zip | |
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>
| -rw-r--r-- | mm/util.c | 2 |
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); |