mm: swap: zswap: maybe_preload & refactoring

[deliverable/linux.git] / include / linux / swap.h

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 2ce190709280f2281d0e755fd36915cfbcc5cc44..7ba7dccaf0e7e1291b3489c9ece30318cb44fc6f 100644 (file)
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -406,6 +406,9 @@ extern void free_pages_and_swap_cache(struct page **, int);
 extern struct page *lookup_swap_cache(swp_entry_t);
 extern struct page *read_swap_cache_async(swp_entry_t, gfp_t,
                        struct vm_area_struct *vma, unsigned long addr);
+extern struct page *__read_swap_cache_async(swp_entry_t, gfp_t,
+                       struct vm_area_struct *vma, unsigned long addr,
+                       bool *new_page_allocated);
 extern struct page *swapin_readahead(swp_entry_t, gfp_t,
                        struct vm_area_struct *vma, unsigned long addr);