vmscan: zone_reclaim() don't use insane swap_cluster_max

[safe/jmp/linux-2.6] / mm / internal.h

diff --git a/mm/internal.h b/mm/internal.h
index 7559657..cb7d92d 100644 (file)
--- 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.
@@ -143,7 +142,7 @@ 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 +151,7 @@ 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