struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
pte_t pte);
+int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
+ unsigned long size);
unsigned long zap_page_range(struct vm_area_struct *vma, unsigned long address,
unsigned long size, struct zap_details *);
unsigned long unmap_vmas(struct mmu_gather **tlb,
struct vm_area_struct **pprev, unsigned long start,
unsigned long end, unsigned long newflags);
-#ifdef CONFIG_HAVE_GET_USER_PAGES_FAST
/*
* 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).
int get_user_pages_fast(unsigned long start, int nr_pages, int write,
struct page **pages);
-#else
-/*
- * Should probably be moved to asm-generic, and architectures can include it if
- * they don't implement their own get_user_pages_fast.
- */
-#define get_user_pages_fast(start, nr_pages, write, pages) \
-({ \
- struct mm_struct *mm = current->mm; \
- int ret; \
- \
- down_read(&mm->mmap_sem); \
- ret = get_user_pages(current, mm, start, nr_pages, \
- write, 0, pages, NULL); \
- up_read(&mm->mmap_sem); \
- \
- ret; \
-})
-#endif
-
/*
* A callback you can register to apply pressure to ageable caches.
*
extern void get_pfn_range_for_nid(unsigned int nid,
unsigned long *start_pfn, unsigned long *end_pfn);
extern unsigned long find_min_pfn_with_active_regions(void);
-extern unsigned long find_max_pfn_with_active_regions(void);
extern void free_bootmem_with_active_regions(int nid,
unsigned long max_low_pfn);
typedef int (*work_fn_t)(unsigned long, unsigned long, void *);
unsigned long addr, unsigned long len, pgoff_t pgoff);
extern void exit_mmap(struct mm_struct *);
+extern int mm_take_all_locks(struct mm_struct *mm);
+extern void mm_drop_all_locks(struct mm_struct *mm);
+
#ifdef CONFIG_PROC_FS
/* From fs/proc/base.c. callers must _not_ hold the mm's exe_file_lock */
extern void added_exe_file_vma(struct mm_struct *mm);