diff options
Diffstat (limited to 'include/linux/swap.h')
| -rw-r--r-- | include/linux/swap.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index 38874729d..9cdd0be25 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -289,6 +289,7 @@ extern unsigned long totalram_pages; extern unsigned long totalreserve_pages; extern unsigned long dirty_balance_reserve; extern unsigned long nr_free_buffer_pages(void); +extern unsigned long nr_unallocated_buffer_pages(void); extern unsigned long nr_free_pagecache_pages(void); /* Definition of global_page_state not available yet */ @@ -328,6 +329,8 @@ extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, struct zone *zone, unsigned long *nr_scanned); extern unsigned long shrink_all_memory(unsigned long nr_pages); +extern unsigned long shrink_memory_mask(unsigned long nr_to_reclaim, + gfp_t mask); extern int vm_swappiness; extern int remove_mapping(struct address_space *mapping, struct page *page); extern unsigned long vm_total_pages; @@ -428,13 +431,17 @@ extern void swapcache_free(swp_entry_t); extern int free_swap_and_cache(swp_entry_t); extern int swap_type_of(dev_t, sector_t, struct block_device **); extern unsigned int count_swap_pages(int, int); +extern sector_t map_swap_entry(swp_entry_t entry, struct block_device **); extern sector_t map_swap_page(struct page *, struct block_device **); extern sector_t swapdev_block(int, pgoff_t); +extern struct swap_info_struct *get_swap_info_struct(unsigned); extern int page_swapcount(struct page *); extern struct swap_info_struct *page_swap_info(struct page *); extern int reuse_swap_page(struct page *); extern int try_to_free_swap(struct page *); struct backing_dev_info; +extern void get_swap_range_of_type(int type, swp_entry_t *start, + swp_entry_t *end, unsigned int limit); #else /* CONFIG_SWAP */ |