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-rw-r--r--include/linux/swap.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 7ba7dccaf0e7..414e101cd061 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -287,7 +287,6 @@ static inline void workingset_node_shadows_dec(struct radix_tree_node *node)
/* linux/mm/page_alloc.c */
extern unsigned long totalram_pages;
extern unsigned long totalreserve_pages;
-extern unsigned long dirty_balance_reserve;
extern unsigned long nr_free_buffer_pages(void);
extern unsigned long nr_free_pagecache_pages(void);
@@ -308,6 +307,7 @@ extern void lru_add_drain_cpu(int cpu);
extern void lru_add_drain_all(void);
extern void rotate_reclaimable_page(struct page *page);
extern void deactivate_file_page(struct page *page);
+extern void deactivate_page(struct page *page);
extern void swap_setup(void);
extern void add_page_to_unevictable_list(struct page *page);
@@ -539,7 +539,8 @@ static inline int swp_swapcount(swp_entry_t entry)
return 0;
}
-#define reuse_swap_page(page) (page_mapcount(page) == 1)
+#define reuse_swap_page(page) \
+ (!PageTransCompound(page) && page_mapcount(page) == 1)
static inline int try_to_free_swap(struct page *page)
{
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