mm: allow drivers to prevent new writable mappings

[pandora-kernel.git] / mm / swap_state.c

diff --git a/mm/swap_state.c b/mm/swap_state.c
index 7b3dadd..e4f4101 100644 (file)
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -38,6 +38,7 @@ static struct backing_dev_info swap_backing_dev_info = {
 
 struct address_space swapper_space = {
        .page_tree      = RADIX_TREE_INIT(GFP_ATOMIC|__GFP_NOWARN),
+       .i_mmap_writable = ATOMIC_INIT(0),
        .tree_lock      = __SPIN_LOCK_UNLOCKED(swapper_space.tree_lock),
        .a_ops          = &swap_aops,
        .i_mmap_nonlinear = LIST_HEAD_INIT(swapper_space.i_mmap_nonlinear),