Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[sfrench/cifs-2.6.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index c456c3a1c28e183461bf58ea1a73cb9f6ac2e0a4..1692dd6cb9153bd6fa2fcdf13f2352e84500eeae 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -10,7 +10,6 @@
 #include <linux/mmzone.h>
 #include <linux/rbtree.h>
 #include <linux/prio_tree.h>
-#include <linux/fs.h>
 #include <linux/mutex.h>
 #include <linux/debug_locks.h>
 #include <linux/backing-dev.h>
@@ -18,7 +17,9 @@
 
 struct mempolicy;
 struct anon_vma;
+struct file_ra_state;
 struct user_struct;
+struct writeback_control;
 
 #ifndef CONFIG_DISCONTIGMEM          /* Don't use mapnrs, do it properly */
 extern unsigned long max_mapnr;
@@ -861,38 +862,7 @@ struct shrinker {
 extern void register_shrinker(struct shrinker *);
 extern void unregister_shrinker(struct shrinker *);
 
-/*
- * Some shared mappigns will want the pages marked read-only
- * to track write events. If so, we'll downgrade vm_page_prot
- * to the private version (using protection_map[] without the
- * VM_SHARED bit).
- */
-static inline int vma_wants_writenotify(struct vm_area_struct *vma)
-{
-       unsigned int vm_flags = vma->vm_flags;
-
-       /* If it was private or non-writable, the write bit is already clear */
-       if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED)))
-               return 0;
-
-       /* The backer wishes to know when pages are first written to? */
-       if (vma->vm_ops && vma->vm_ops->page_mkwrite)
-               return 1;
-
-       /* The open routine did something to the protections already? */
-       if (pgprot_val(vma->vm_page_prot) !=
-           pgprot_val(protection_map[vm_flags &
-                   (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]))
-               return 0;
-
-       /* Specialty mapping? */
-       if (vm_flags & (VM_PFNMAP|VM_INSERTPAGE))
-               return 0;
-
-       /* Can the mapping track the dirty pages? */
-       return vma->vm_file && vma->vm_file->f_mapping &&
-               mapping_cap_account_dirty(vma->vm_file->f_mapping);
-}
+int vma_wants_writenotify(struct vm_area_struct *vma);
 
 extern pte_t *FASTCALL(get_locked_pte(struct mm_struct *mm, unsigned long addr, spinlock_t **ptl));
 
@@ -1072,7 +1042,7 @@ static inline void vma_nonlinear_insert(struct vm_area_struct *vma,
 }
 
 /* mmap.c */
-extern int __vm_enough_memory(long pages, int cap_sys_admin);
+extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);
 extern void vma_adjust(struct vm_area_struct *vma, unsigned long start,
        unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert);
 extern struct vm_area_struct *vma_merge(struct mm_struct *,
@@ -1246,7 +1216,7 @@ void drop_slab(void);
 extern int randomize_va_space;
 #endif
 
-__attribute__((weak)) const char *arch_vma_name(struct vm_area_struct *vma);
+const char * arch_vma_name(struct vm_area_struct *vma);
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */