diff options
Diffstat (limited to 'include/linux/swap.h')
-rw-r--r-- | include/linux/swap.h | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 4f3838adbb30..9fa1aef1b82c 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h | |||
@@ -158,9 +158,6 @@ struct swap_list_t { | |||
158 | /* Swap 50% full? Release swapcache more aggressively.. */ | 158 | /* Swap 50% full? Release swapcache more aggressively.. */ |
159 | #define vm_swap_full() (nr_swap_pages*2 < total_swap_pages) | 159 | #define vm_swap_full() (nr_swap_pages*2 < total_swap_pages) |
160 | 160 | ||
161 | /* linux/mm/memory.c */ | ||
162 | extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *); | ||
163 | |||
164 | /* linux/mm/page_alloc.c */ | 161 | /* linux/mm/page_alloc.c */ |
165 | extern unsigned long totalram_pages; | 162 | extern unsigned long totalram_pages; |
166 | extern unsigned long totalreserve_pages; | 163 | extern unsigned long totalreserve_pages; |
@@ -230,9 +227,12 @@ extern int move_from_swap_cache(struct page *, unsigned long, | |||
230 | struct address_space *); | 227 | struct address_space *); |
231 | extern void free_page_and_swap_cache(struct page *); | 228 | extern void free_page_and_swap_cache(struct page *); |
232 | extern void free_pages_and_swap_cache(struct page **, int); | 229 | extern void free_pages_and_swap_cache(struct page **, int); |
233 | extern struct page * lookup_swap_cache(swp_entry_t); | 230 | extern struct page *lookup_swap_cache(swp_entry_t); |
234 | extern struct page * read_swap_cache_async(swp_entry_t, struct vm_area_struct *vma, | 231 | extern struct page *read_swap_cache_async(swp_entry_t, |
235 | unsigned long addr); | 232 | struct vm_area_struct *vma, unsigned long addr); |
233 | extern struct page *swapin_readahead(swp_entry_t, | ||
234 | struct vm_area_struct *vma, unsigned long addr); | ||
235 | |||
236 | /* linux/mm/swapfile.c */ | 236 | /* linux/mm/swapfile.c */ |
237 | extern long total_swap_pages; | 237 | extern long total_swap_pages; |
238 | extern unsigned int nr_swapfiles; | 238 | extern unsigned int nr_swapfiles; |
@@ -306,7 +306,7 @@ static inline void swap_free(swp_entry_t swp) | |||
306 | { | 306 | { |
307 | } | 307 | } |
308 | 308 | ||
309 | static inline struct page *read_swap_cache_async(swp_entry_t swp, | 309 | static inline struct page *swapin_readahead(swp_entry_t swp, |
310 | struct vm_area_struct *vma, unsigned long addr) | 310 | struct vm_area_struct *vma, unsigned long addr) |
311 | { | 311 | { |
312 | return NULL; | 312 | return NULL; |
@@ -317,11 +317,6 @@ static inline struct page *lookup_swap_cache(swp_entry_t swp) | |||
317 | return NULL; | 317 | return NULL; |
318 | } | 318 | } |
319 | 319 | ||
320 | static inline int valid_swaphandles(swp_entry_t entry, unsigned long *offset) | ||
321 | { | ||
322 | return 0; | ||
323 | } | ||
324 | |||
325 | #define can_share_swap_page(p) (page_mapcount(p) == 1) | 320 | #define can_share_swap_page(p) (page_mapcount(p) == 1) |
326 | 321 | ||
327 | static inline int move_to_swap_cache(struct page *page, swp_entry_t entry) | 322 | static inline int move_to_swap_cache(struct page *page, swp_entry_t entry) |