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-rw-r--r--include/linux/swap.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 7d09d79997a..a2113044d20 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -180,6 +180,8 @@ extern int lru_add_drain_all(void);
extern void rotate_reclaimable_page(struct page *page);
extern void swap_setup(void);
+extern void add_page_to_unevictable_list(struct page *page);
+
/**
* lru_cache_add: add a page to the page lists
* @page: the page to add
@@ -228,6 +230,16 @@ static inline int zone_reclaim(struct zone *z, gfp_t mask, unsigned int order)
}
#endif
+#ifdef CONFIG_UNEVICTABLE_LRU
+extern int page_evictable(struct page *page, struct vm_area_struct *vma);
+#else
+static inline int page_evictable(struct page *page,
+ struct vm_area_struct *vma)
+{
+ return 1;
+}
+#endif
+
extern int kswapd_run(int nid);
#ifdef CONFIG_MMU