#include <linux/buffer_head.h>
#include <linux/backing-dev.h>
#include <linux/pagevec.h>
+#include <linux/migrate.h>
#include <asm/pgtable.h>
* vmscan's shrink_list, to make sync_page look nicer, and to allow
* future use of radix_tree tags in the swap cache.
*/
-static struct address_space_operations swap_aops = {
+static const struct address_space_operations swap_aops = {
.writepage = swap_writepage,
.sync_page = block_sync_page,
.set_page_dirty = __set_page_dirty_nobuffers,
swp_entry_t entry;
int err;
- if (!PageLocked(page))
- BUG();
+ BUG_ON(!PageLocked(page));
for (;;) {
entry = get_swap_page();