ACPI/PCI: Change pci_osc_control_set() to query control bits first

[linux-2.6-omap-h63xx.git] / include / linux / swap.h

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 833be56ad835e9c070579042548e3f5f5cce69e7..a3af95b2cb6dfcf24f5d278e43a29e62f23f452e 100644 (file)
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -7,6 +7,7 @@
 #include <linux/list.h>
 #include <linux/memcontrol.h>
 #include <linux/sched.h>
+#include <linux/node.h>
 
 #include <asm/atomic.h>
 #include <asm/page.h>
@@ -173,6 +174,8 @@ extern unsigned int nr_free_pagecache_pages(void);
 /* linux/mm/swap.c */
 extern void __lru_cache_add(struct page *, enum lru_list lru);
 extern void lru_cache_add_lru(struct page *, enum lru_list lru);
+extern void lru_cache_add_active_or_unevictable(struct page *,
+                                       struct vm_area_struct *);
 extern void activate_page(struct page *);
 extern void mark_page_accessed(struct page *);
 extern void lru_add_drain(void);
@@ -180,18 +183,30 @@ extern int lru_add_drain_all(void);
 extern void rotate_reclaimable_page(struct page *page);
 extern void swap_setup(void);
 
+extern void add_page_to_unevictable_list(struct page *page);
+
 /**
  * lru_cache_add: add a page to the page lists
  * @page: the page to add
  */
-static inline void lru_cache_add(struct page *page)
+static inline void lru_cache_add_anon(struct page *page)
+{
+       __lru_cache_add(page, LRU_INACTIVE_ANON);
+}
+
+static inline void lru_cache_add_active_anon(struct page *page)
 {
-       __lru_cache_add(page, LRU_INACTIVE);
+       __lru_cache_add(page, LRU_ACTIVE_ANON);
 }
 
-static inline void lru_cache_add_active(struct page *page)
+static inline void lru_cache_add_file(struct page *page)
 {
-       __lru_cache_add(page, LRU_ACTIVE);
+       __lru_cache_add(page, LRU_INACTIVE_FILE);
+}
+
+static inline void lru_cache_add_active_file(struct page *page)
+{
+       __lru_cache_add(page, LRU_ACTIVE_FILE);
 }
 
 /* linux/mm/vmscan.c */
@@ -199,7 +214,7 @@ extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
                                        gfp_t gfp_mask);
 extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
                                                        gfp_t gfp_mask);
-extern int __isolate_lru_page(struct page *page, int mode);
+extern int __isolate_lru_page(struct page *page, int mode, int file);
 extern unsigned long shrink_all_memory(unsigned long nr_pages);
 extern int vm_swappiness;
 extern int remove_mapping(struct address_space *mapping, struct page *page);
@@ -218,6 +233,34 @@ static inline int zone_reclaim(struct zone *z, gfp_t mask, unsigned int order)
 }
 #endif
 
+#ifdef CONFIG_UNEVICTABLE_LRU
+extern int page_evictable(struct page *page, struct vm_area_struct *vma);
+extern void scan_mapping_unevictable_pages(struct address_space *);
+
+extern unsigned long scan_unevictable_pages;
+extern int scan_unevictable_handler(struct ctl_table *, int, struct file *,
+                                       void __user *, size_t *, loff_t *);
+extern int scan_unevictable_register_node(struct node *node);
+extern void scan_unevictable_unregister_node(struct node *node);
+#else
+static inline int page_evictable(struct page *page,
+                                               struct vm_area_struct *vma)
+{
+       return 1;
+}
+
+static inline void scan_mapping_unevictable_pages(struct address_space *mapping)
+{
+}
+
+static inline int scan_unevictable_register_node(struct node *node)
+{
+       return 0;
+}
+
+static inline void scan_unevictable_unregister_node(struct node *node) { }
+#endif
+
 extern int kswapd_run(int nid);
 
 #ifdef CONFIG_MMU