X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=mm%2Finternal.h;h=a4b927cdca096ebf55505b2ae4eae5d53f339543;hb=23ce932a5e3ec3b9f06e92c8797d834d43abfb0f;hp=d41475078b2005fffe995d08478f771f14967ced;hpb=8e4b9a60718970bbc02dfd3abd0b956ab65af231;p=safe%2Fjmp%2Flinux-2.6

diff --git a/mm/internal.h b/mm/internal.h
index d414750..a4b927c 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -37,6 +37,8 @@ static inline void __put_page(struct page *page)
 	atomic_dec(&page->_count);
 }
 
+extern unsigned long highest_memmap_pfn;
+
 /*
  * in mm/vmscan.c:
  */
@@ -46,7 +48,6 @@ extern void putback_lru_page(struct page *page);
 /*
  * in mm/page_alloc.c
  */
-extern unsigned long highest_memmap_pfn;
 extern void __free_pages_bootmem(struct page *page, unsigned int order);
 extern void prep_compound_page(struct page *page, unsigned long order);
 
@@ -62,17 +63,6 @@ static inline unsigned long page_order(struct page *page)
 	return page_private(page);
 }
 
-#ifdef CONFIG_HAVE_MLOCK
-extern long mlock_vma_pages_range(struct vm_area_struct *vma,
-			unsigned long start, unsigned long end);
-extern void munlock_vma_pages_range(struct vm_area_struct *vma,
-			unsigned long start, unsigned long end);
-static inline void munlock_vma_pages_all(struct vm_area_struct *vma)
-{
-	munlock_vma_pages_range(vma, vma->vm_start, vma->vm_end);
-}
-#endif
-
 /*
  * unevictable_migrate_page() called only from migrate_page_copy() to
  * migrate unevictable flag to new page.
@@ -85,7 +75,16 @@ static inline void unevictable_migrate_page(struct page *new, struct page *old)
 		SetPageUnevictable(new);
 }
 
-#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT
+#ifdef CONFIG_MMU
+extern long mlock_vma_pages_range(struct vm_area_struct *vma,
+			unsigned long start, unsigned long end);
+extern void munlock_vma_pages_range(struct vm_area_struct *vma,
+			unsigned long start, unsigned long end);
+static inline void munlock_vma_pages_all(struct vm_area_struct *vma)
+{
+	munlock_vma_pages_range(vma, vma->vm_start, vma->vm_end);
+}
+
 /*
  * Called only in fault path via page_evictable() for a new page
  * to determine if it's being mapped into a LOCKED vma.
@@ -106,9 +105,10 @@ static inline int is_mlocked_vma(struct vm_area_struct *vma, struct page *page)
 }
 
 /*
- * must be called with vma's mmap_sem held for read, and page locked.
+ * must be called with vma's mmap_sem held for read or write, and page locked.
  */
 extern void mlock_vma_page(struct page *page);
+extern void munlock_vma_page(struct page *page);
 
 /*
  * Clear the page's PageMlocked().  This can be useful in a situation where
@@ -143,7 +143,7 @@ static inline void mlock_migrate_page(struct page *newpage, struct page *page)
 	}
 }
 
-#else /* CONFIG_HAVE_MLOCKED_PAGE_BIT */
+#else /* !CONFIG_MMU */
 static inline int is_mlocked_vma(struct vm_area_struct *v, struct page *p)
 {
 	return 0;
@@ -152,7 +152,7 @@ static inline void clear_page_mlock(struct page *page) { }
 static inline void mlock_vma_page(struct page *page) { }
 static inline void mlock_migrate_page(struct page *new, struct page *old) { }
 
-#endif /* CONFIG_HAVE_MLOCKED_PAGE_BIT */
+#endif /* !CONFIG_MMU */
 
 /*
  * Return the mem_map entry representing the 'offset' subpage within
@@ -250,12 +250,8 @@ static inline void mminit_validate_memmodel_limits(unsigned long *start_pfn,
 }
 #endif /* CONFIG_SPARSEMEM */
 
-#define GUP_FLAGS_WRITE		0x01
-#define GUP_FLAGS_FORCE		0x02
-#define GUP_FLAGS_DUMP		0x04
-
 int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
-		     unsigned long start, int len, int flags,
+		     unsigned long start, int len, unsigned int foll_flags,
 		     struct page **pages, struct vm_area_struct **vmas);
 
 #define ZONE_RECLAIM_NOSCAN	-2