1 files changed, 22 insertions, 26 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index bff1f0d475c7..d006e93d5c93 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -7,7 +7,6 @@
 
 #include <linux/gfp.h>
 #include <linux/list.h>
-#include <linux/mmdebug.h>
 #include <linux/mmzone.h>
 #include <linux/rbtree.h>
 #include <linux/prio_tree.h>
@@ -19,6 +18,7 @@ struct anon_vma;
 struct file_ra_state;
 struct user_struct;
 struct writeback_control;
+struct rlimit;
 
 #ifndef CONFIG_DISCONTIGMEM          /* Don't use mapnrs, do it properly */
 extern unsigned long max_mapnr;
@@ -580,12 +580,10 @@ static inline void set_page_links(struct page *page, enum zone_type zone,
  */
 static inline unsigned long round_hint_to_min(unsigned long hint)
 {
-#ifdef CONFIG_SECURITY
         hint &= PAGE_MASK;
         if (((void *)hint != NULL) &&
             (hint < mmap_min_addr))
                 return PAGE_ALIGN(mmap_min_addr);
-#endif
         return hint;
 }
 
@@ -726,7 +724,7 @@ static inline int shmem_lock(struct file *file, int lock,
         return 0;
 }
 #endif
-struct file *shmem_file_setup(char *name, loff_t size, unsigned long flags);
+struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags);
 
 int shmem_zero_setup(struct vm_area_struct *);
 
@@ -794,6 +792,8 @@ int copy_page_range(struct mm_struct *dst, struct mm_struct *src,
                         struct vm_area_struct *vma);
 void unmap_mapping_range(struct address_space *mapping,
                 loff_t const holebegin, loff_t const holelen, int even_cows);
+int follow_pfn(struct vm_area_struct *vma, unsigned long address,
+        unsigned long *pfn);
 int follow_phys(struct vm_area_struct *vma, unsigned long address,
                 unsigned int flags, unsigned long *prot, resource_size_t *phys);
 int generic_access_phys(struct vm_area_struct *vma, unsigned long addr,
@@ -810,11 +810,11 @@ extern int vmtruncate_range(struct inode * inode, loff_t offset, loff_t end);
 
 #ifdef CONFIG_MMU
 extern int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
-                        unsigned long address, int write_access);
+                        unsigned long address, unsigned int flags);
 #else
 static inline int handle_mm_fault(struct mm_struct *mm,
                         struct vm_area_struct *vma, unsigned long address,
-                        int write_access)
+                        unsigned int flags)
 {
         /* should never happen if there's no MMU */
         BUG();
@@ -825,8 +825,11 @@ static inline int handle_mm_fault(struct mm_struct *mm,
 extern int make_pages_present(unsigned long addr, unsigned long end);
 extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write);
 
-int get_user_pages(struct task_struct *tsk, struct mm_struct *mm, unsigned long start,
-                int len, int write, int force, struct page **pages, struct vm_area_struct **vmas);
+int get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
+                        unsigned long start, int len, int write, int force,
+                        struct page **pages, struct vm_area_struct **vmas);
+int get_user_pages_fast(unsigned long start, int nr_pages, int write,
+                        struct page **pages);
 
 extern int try_to_release_page(struct page * page, gfp_t gfp_mask);
 extern void do_invalidatepage(struct page *page, unsigned long offset);
@@ -851,17 +854,10 @@ extern int mprotect_fixup(struct vm_area_struct *vma,
                           unsigned long end, unsigned long newflags);
 
 /*
- * get_user_pages_fast provides equivalent functionality to get_user_pages,
- * operating on current and current->mm (force=0 and doesn't return any vmas).
- *
- * get_user_pages_fast may take mmap_sem and page tables, so no assumptions
- * can be made about locking. get_user_pages_fast is to be implemented in a
- * way that is advantageous (vs get_user_pages()) when the user memory area is
- * already faulted in and present in ptes. However if the pages have to be
- * faulted in, it may turn out to be slightly slower).
+ * doesn't attempt to fault and will return short.
  */
-int get_user_pages_fast(unsigned long start, int nr_pages, int write,
-                        struct page **pages);
+int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
+                          struct page **pages);
 
 /*
  * A callback you can register to apply pressure to ageable caches.
@@ -1031,8 +1027,6 @@ extern void add_active_range(unsigned int nid, unsigned long start_pfn,
                                         unsigned long end_pfn);
 extern void remove_active_range(unsigned int nid, unsigned long start_pfn,
                                         unsigned long end_pfn);
-extern void push_node_boundaries(unsigned int nid, unsigned long start_pfn,
-                                        unsigned long end_pfn);
 extern void remove_all_active_ranges(void);
 extern unsigned long absent_pages_in_range(unsigned long start_pfn,
                                                 unsigned long end_pfn);
@@ -1064,7 +1058,8 @@ extern int __meminit __early_pfn_to_nid(unsigned long pfn);
 extern void set_dma_reserve(unsigned long new_dma_reserve);
 extern void memmap_init_zone(unsigned long, int, unsigned long,
                                 unsigned long, enum memmap_context);
-extern void setup_per_zone_pages_min(void);
+extern void setup_per_zone_wmarks(void);
+extern void calculate_zone_inactive_ratio(struct zone *zone);
 extern void mem_init(void);
 extern void __init mmap_init(void);
 extern void show_mem(void);
@@ -1181,8 +1176,6 @@ void task_dirty_inc(struct task_struct *tsk);
 #define VM_MAX_READAHEAD        128     /* kbytes */
 #define VM_MIN_READAHEAD        16      /* kbytes (includes current page) */
 
-int do_page_cache_readahead(struct address_space *mapping, struct file *filp,
-                        pgoff_t offset, unsigned long nr_to_read);
 int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
                         pgoff_t offset, unsigned long nr_to_read);
 
@@ -1200,6 +1193,9 @@ void page_cache_async_readahead(struct address_space *mapping,
                                 unsigned long size);
 
 unsigned long max_sane_readahead(unsigned long nr);
+unsigned long ra_submit(struct file_ra_state *ra,
+                        struct address_space *mapping,
+                        struct file *filp);
 
 /* Do stack extension */
 extern int expand_stack(struct vm_area_struct *vma, unsigned long address);
@@ -1319,8 +1315,8 @@ int vmemmap_populate_basepages(struct page *start_page,
 int vmemmap_populate(struct page *start_page, unsigned long pages, int node);
 void vmemmap_populate_print_last(void);
 
-extern void *alloc_locked_buffer(size_t size);
-extern void free_locked_buffer(void *buffer, size_t size);
-extern void release_locked_buffer(void *buffer, size_t size);
+extern int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
+                                 size_t size);
+extern void refund_locked_memory(struct mm_struct *mm, size_t size);
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */