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Diffstat (limited to 'mm/msync.c')
-rw-r--r--mm/msync.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/msync.c b/mm/msync.c
index c3bd3e75f687..69c6d2029531 100644
--- a/mm/msync.c
+++ b/mm/msync.c
@@ -57,7 +57,7 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
* If the interval [start,end) covers some unmapped address ranges,
* just ignore them, but return -ENOMEM at the end.
*/
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
vma = find_vma(mm, start);
for (;;) {
struct file *file;
@@ -88,12 +88,12 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
if ((flags & MS_SYNC) && file &&
(vma->vm_flags & VM_SHARED)) {
get_file(file);
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
error = vfs_fsync_range(file, fstart, fend, 1);
fput(file);
if (error || start >= end)
goto out;
- down_read(&mm->mmap_sem);
+ mmap_read_lock(mm);
vma = find_vma(mm, start);
} else {
if (start >= end) {
@@ -104,7 +104,7 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags)
}
}
out_unlock:
- up_read(&mm->mmap_sem);
+ mmap_read_unlock(mm);
out:
return error ? : unmapped_error;
}