#include <linux/buffer_head.h>
#include <linux/backing-dev.h>
#include <linux/pagevec.h>
+#include <linux/migrate.h>
#include <asm/pgtable.h>
.writepage = swap_writepage,
.sync_page = block_sync_page,
.set_page_dirty = __set_page_dirty_nobuffers,
+ .migratepage = migrate_page,
};
static struct backing_dev_info swap_backing_dev_info = {
* Allocate swap space for the page and add the page to the
* swap cache. Caller needs to hold the page lock.
*/
-int add_to_swap(struct page * page)
+int add_to_swap(struct page * page, gfp_t gfp_mask)
{
swp_entry_t entry;
int err;
- if (!PageLocked(page))
- BUG();
+ BUG_ON(!PageLocked(page));
for (;;) {
entry = get_swap_page();
* Add it to the swap cache and mark it dirty
*/
err = __add_to_swap_cache(page, entry,
- GFP_ATOMIC|__GFP_NOMEMALLOC|__GFP_NOWARN);
+ gfp_mask|__GFP_NOMEMALLOC|__GFP_NOWARN);
switch (err) {
case 0: /* Success */