mm: make lru_add_drain_all() selective

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

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 24db914..46ba0c6 100644 (file)
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -280,7 +280,7 @@ extern void activate_page(struct page *);
 extern void mark_page_accessed(struct page *);
 extern void lru_add_drain(void);
 extern void lru_add_drain_cpu(int cpu);
-extern int lru_add_drain_all(void);
+extern void lru_add_drain_all(void);
 extern void rotate_reclaimable_page(struct page *page);
 extern void deactivate_page(struct page *page);
 extern void swap_setup(void);
@@ -447,6 +447,7 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout)
 
 #else /* CONFIG_SWAP */
 
+#define swap_address_space(entry)              (NULL)
 #define get_nr_swap_pages()                    0L
 #define total_swap_pages                       0L
 #define total_swapcache_pages()                        0UL