[PATCH] BLOCK: Move functions out of buffer code [try #6]

[pandora-kernel.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 7477fb5..4edf193 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -199,6 +199,7 @@ struct vm_operations_struct {
        void (*open)(struct vm_area_struct * area);
        void (*close)(struct vm_area_struct * area);
        struct page * (*nopage)(struct vm_area_struct * area, unsigned long address, int *type);
+       unsigned long (*nopfn)(struct vm_area_struct * area, unsigned long address);
        int (*populate)(struct vm_area_struct * area, unsigned long address, unsigned long len, pgprot_t prot, unsigned long pgoff, int nonblock);
 
        /* notification that a previously read-only page is about to become
@@ -446,7 +447,11 @@ static inline struct zone *page_zone(struct page *page)
 
 static inline unsigned long zone_to_nid(struct zone *zone)
 {
-       return zone->zone_pgdat->node_id;
+#ifdef CONFIG_NUMA
+       return zone->node;
+#else
+       return 0;
+#endif
 }
 
 static inline unsigned long page_to_nid(struct page *page)
@@ -589,6 +594,12 @@ static inline int page_mapped(struct page *page)
 #define NOPAGE_SIGBUS  (NULL)
 #define NOPAGE_OOM     ((struct page *) (-1))
 
+/*
+ * Error return values for the *_nopfn functions
+ */
+#define NOPFN_SIGBUS   ((unsigned long) -1)
+#define NOPFN_OOM      ((unsigned long) -2)
+
 /*
  * Different kinds of faults, as returned by handle_mm_fault().
  * Used to decide whether a process gets delivered SIGBUS or
@@ -732,7 +743,9 @@ int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, unsigned long
                int len, int write, int force, struct page **pages, struct vm_area_struct **vmas);
 void print_bad_pte(struct vm_area_struct *, pte_t, unsigned long);
 
-int __set_page_dirty_buffers(struct page *page);
+extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
+extern void do_invalidatepage(struct page *page, unsigned long offset);
+
 int __set_page_dirty_nobuffers(struct page *page);
 int redirty_page_for_writepage(struct writeback_control *wbc,
                                struct page *page);
@@ -1120,7 +1133,7 @@ void drop_slab(void);
 extern int randomize_va_space;
 #endif
 
-const char *arch_vma_name(struct vm_area_struct *vma);
+__attribute__((weak)) const char *arch_vma_name(struct vm_area_struct *vma);
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */