NOMMU: Fix SYSV IPC SHM

Fix the SYSV IPC SHM to work with the changes applied by the new fault handler
patches when CONFIG_MMU=n.

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/ipc/shm.c b/ipc/shm.c
index d0259e3ad1c0..d88ac5a07ec7 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -268,7 +268,9 @@ static int shm_mmap(struct file * file, struct vm_area_struct * vma)
         if (ret != 0)
                 return ret;
         sfd->vm_ops = vma->vm_ops;
+#ifdef CONFIG_MMU
         BUG_ON(!sfd->vm_ops->fault);
+#endif
         vma->vm_ops = &shm_vm_ops;
         shm_open(vma);