#ifdef __KERNEL__
+#include <linux/config.h>
#include <linux/gfp.h>
#include <linux/list.h>
#include <linux/mmzone.h>
#include <linux/prio_tree.h>
#include <linux/fs.h>
#include <linux/mutex.h>
-#include <linux/debug_locks.h>
-#include <linux/backing-dev.h>
struct mempolicy;
struct anon_vma;
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
+#include <asm/atomic.h>
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
#define VM_GROWSDOWN 0x00000100 /* general info on the segment */
#define VM_GROWSUP 0x00000200
+#define VM_SHM 0x00000000 /* Means nothing: delete it later */
#define VM_PFNMAP 0x00000400 /* Page-ranges managed without "struct page", just pure PFN */
#define VM_DENYWRITE 0x00000800 /* ETXTBSY on write attempts.. */
void (*close)(struct vm_area_struct * area);
struct page * (*nopage)(struct vm_area_struct * area, unsigned long address, int *type);
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
- * writable, if an error is returned it will cause a SIGBUS */
- int (*page_mkwrite)(struct vm_area_struct *vma, struct page *page);
#ifdef CONFIG_NUMA
int (*set_policy)(struct vm_area_struct *vma, struct mempolicy *new);
struct mempolicy *(*get_policy)(struct vm_area_struct *vma,
unsigned long addr);
- int (*migrate)(struct vm_area_struct *vma, const nodemask_t *from,
- const nodemask_t *to, unsigned long flags);
#endif
};
}
void put_page(struct page *page);
-void put_pages_list(struct list_head *pages);
void split_page(struct page *page, unsigned int order);
struct zone;
extern struct zone *zone_table[];
-static inline int page_zone_id(struct page *page)
-{
- return (page->flags >> ZONETABLE_PGSHIFT) & ZONETABLE_MASK;
-}
static inline struct zone *page_zone(struct page *page)
{
- return zone_table[page_zone_id(page)];
+ return zone_table[(page->flags >> ZONETABLE_PGSHIFT) &
+ ZONETABLE_MASK];
}
static inline unsigned long page_to_nid(struct page *page)
set_page_section(page, pfn_to_section_nr(pfn));
}
-/*
- * Some inline functions in vmstat.h depend on page_zone()
- */
-#include <linux/vmstat.h>
-
#ifndef CONFIG_DISCONTIGMEM
/* The array of struct pages - for discontigmem use pgdat->lmem_map */
extern struct page *mem_map;
extern struct shrinker *set_shrinker(int, shrinker_t);
extern void remove_shrinker(struct shrinker *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);
-}
-
extern pte_t *FASTCALL(get_locked_pte(struct mm_struct *mm, unsigned long addr, spinlock_t **ptl));
int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address);
return (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
}
-pgprot_t vm_get_page_prot(unsigned long vm_flags);
struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr);
struct page *vmalloc_to_page(void *addr);
unsigned long vmalloc_to_pfn(void *addr);
kernel_map_pages(struct page *page, int numpages, int enable)
{
if (!PageHighMem(page) && !enable)
- debug_check_no_locks_freed(page_address(page),
- numpages * PAGE_SIZE);
+ mutex_debug_check_no_locks_freed(page_address(page),
+ numpages * PAGE_SIZE);
}
#endif
extern int randomize_va_space;
#endif
-const char *arch_vma_name(struct vm_area_struct *vma);
-
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */