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-rw-r--r--mm/internal.h26
1 files changed, 12 insertions, 14 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 22ec8d2b0fb8..cb7d92d0a46d 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -63,17 +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.
@@ -86,7 +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.
@@ -144,7 +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;
@@ -153,7 +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