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-rw-r--r--include/linux/swap.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 508668f840b6..389d1c382e20 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -172,10 +172,16 @@ extern void swap_setup(void);
172 172
173/* linux/mm/vmscan.c */ 173/* linux/mm/vmscan.c */
174extern int try_to_free_pages(struct zone **, gfp_t); 174extern int try_to_free_pages(struct zone **, gfp_t);
175extern int zone_reclaim(struct zone *, gfp_t, unsigned int);
176extern int shrink_all_memory(int); 175extern int shrink_all_memory(int);
177extern int vm_swappiness; 176extern int vm_swappiness;
178 177
178#ifdef CONFIG_MIGRATION
179extern int isolate_lru_page(struct page *p);
180extern int putback_lru_pages(struct list_head *l);
181extern int migrate_pages(struct list_head *l, struct list_head *t,
182 struct list_head *moved, struct list_head *failed);
183#endif
184
179#ifdef CONFIG_MMU 185#ifdef CONFIG_MMU
180/* linux/mm/shmem.c */ 186/* linux/mm/shmem.c */
181extern int shmem_unuse(swp_entry_t entry, struct page *page); 187extern int shmem_unuse(swp_entry_t entry, struct page *page);
@@ -193,7 +199,7 @@ extern int rw_swap_page_sync(int, swp_entry_t, struct page *);
193extern struct address_space swapper_space; 199extern struct address_space swapper_space;
194#define total_swapcache_pages swapper_space.nrpages 200#define total_swapcache_pages swapper_space.nrpages
195extern void show_swap_cache_info(void); 201extern void show_swap_cache_info(void);
196extern int add_to_swap(struct page *); 202extern int add_to_swap(struct page *, gfp_t);
197extern void __delete_from_swap_cache(struct page *); 203extern void __delete_from_swap_cache(struct page *);
198extern void delete_from_swap_cache(struct page *); 204extern void delete_from_swap_cache(struct page *);
199extern int move_to_swap_cache(struct page *, swp_entry_t); 205extern int move_to_swap_cache(struct page *, swp_entry_t);
@@ -210,6 +216,7 @@ extern unsigned int nr_swapfiles;
210extern struct swap_info_struct swap_info[]; 216extern struct swap_info_struct swap_info[];
211extern void si_swapinfo(struct sysinfo *); 217extern void si_swapinfo(struct sysinfo *);
212extern swp_entry_t get_swap_page(void); 218extern swp_entry_t get_swap_page(void);
219extern swp_entry_t get_swap_page_of_type(int type);
213extern int swap_duplicate(swp_entry_t); 220extern int swap_duplicate(swp_entry_t);
214extern int valid_swaphandles(swp_entry_t, unsigned long *); 221extern int valid_swaphandles(swp_entry_t, unsigned long *);
215extern void swap_free(swp_entry_t); 222extern void swap_free(swp_entry_t);