VM: add "vm_munmap()" helper function
Like the vm_brk() function, this is the same as "do_munmap()", except it
does the VM locking for the caller.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/aio.c b/fs/aio.c
index da88760..99bd790 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -92,11 +92,8 @@
for (i=0; i<info->nr_pages; i++)
put_page(info->ring_pages[i]);
- if (info->mmap_size) {
- down_write(&ctx->mm->mmap_sem);
- do_munmap(ctx->mm, info->mmap_base, info->mmap_size);
- up_write(&ctx->mm->mmap_sem);
- }
+ if (info->mmap_size)
+ vm_munmap(ctx->mm, info->mmap_base, info->mmap_size);
if (info->ring_pages && info->ring_pages != info->internal_pages)
kfree(info->ring_pages);