X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fswap.h;h=b081066b5f1139054725ce1ada98173aa22d0037;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=5c5a797290417c5da851cb61f64404d8228d2dd0;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 5c5a79729..b081066b5 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -148,15 +148,15 @@ struct swap_list_t {
 #define vm_swap_full() (nr_swap_pages*2 < total_swap_pages)
 
 /* linux/mm/oom_kill.c */
-extern void out_of_memory(void);
+extern void out_of_memory(int gfp_mask);
 
 /* linux/mm/memory.c */
-extern void swapin_readahead(swp_entry_t);
+extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *);
 
 /* linux/mm/page_alloc.c */
 extern unsigned long totalram_pages;
 extern unsigned long totalhigh_pages;
-extern int nr_swap_pages;	/* XXX: shouldn't this be ulong? --hch */
+extern long nr_swap_pages;
 extern unsigned int nr_free_pages(void);
 extern unsigned int nr_free_pages_pgdat(pg_data_t *pgdat);
 extern unsigned int nr_free_buffer_pages(void);
@@ -181,6 +181,8 @@ extern int vm_swappiness;
 extern int shmem_unuse(swp_entry_t entry, struct page *page);
 #endif /* CONFIG_MMU */
 
+extern void swap_unplug_io_fn(struct backing_dev_info *, struct page *);
+
 #ifdef CONFIG_SWAP
 /* linux/mm/page_io.c */
 extern int swap_readpage(struct file *, struct page *);
@@ -200,10 +202,11 @@ extern int move_from_swap_cache(struct page *, unsigned long,
 extern void free_page_and_swap_cache(struct page *);
 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);
+extern struct page * read_swap_cache_async(swp_entry_t, struct vm_area_struct *vma,
+					   unsigned long addr);
 
 /* linux/mm/swapfile.c */
-extern int total_swap_pages;
+extern long total_swap_pages;
 extern unsigned int nr_swapfiles;
 extern struct swap_info_struct swap_info[];
 extern void si_swapinfo(struct sysinfo *);
@@ -216,7 +219,7 @@ extern sector_t map_swap_page(struct swap_info_struct *, pgoff_t);
 extern struct swap_info_struct *get_swap_info_struct(unsigned);
 extern int can_share_swap_page(struct page *);
 extern int remove_exclusive_swap_page(struct page *);
-extern void swap_unplug_io_fn(struct page *);
+struct backing_dev_info;
 
 extern struct swap_list_t swap_list;
 extern spinlock_t swaplock;
@@ -242,7 +245,7 @@ extern spinlock_t swaplock;
 #define free_swap_and_cache(swp)		/*NOTHING*/
 #define swap_duplicate(swp)			/*NOTHING*/
 #define swap_free(swp)				/*NOTHING*/
-#define read_swap_cache_async(swp)		NULL
+#define read_swap_cache_async(swp,vma,addr)	NULL
 #define lookup_swap_cache(swp)			NULL
 #define valid_swaphandles(swp, off)		0
 #define can_share_swap_page(p)			0
@@ -250,7 +253,6 @@ extern spinlock_t swaplock;
 #define move_from_swap_cache(p, i, m)		1
 #define __delete_from_swap_cache(p)		/*NOTHING*/
 #define delete_from_swap_cache(p)		/*NOTHING*/
-#define swap_unplug_io_fn(p)			/*NOTHING*/
 
 static inline int remove_exclusive_swap_page(struct page *p)
 {