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| author | Alexander Kuleshov | 2015-11-06 03:46:38 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2015-11-06 04:34:48 +0100 |
| commit | e7bbdd071314b52507e6c615e2cec90d46f82c57 (patch) | |
| tree | f91f6b43d15c31f4c1d48ab6cc6050622a49a1cd /mm/mincore.c | |
| parent | mm/nommu: use offset_in_page macro (diff) | |
| download | kernel-qcow2-linux-e7bbdd071314b52507e6c615e2cec90d46f82c57.tar.gz kernel-qcow2-linux-e7bbdd071314b52507e6c615e2cec90d46f82c57.tar.xz kernel-qcow2-linux-e7bbdd071314b52507e6c615e2cec90d46f82c57.zip | |
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/mincore.c')
| -rw-r--r-- | mm/mincore.c | 2 |
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; |