SHM_UNLOCK: fix Unevictable pages stranded after swap

[firefly-linux-kernel-4.4.55.git] / include / linux / swap.h

diff --git a/include/linux/swap.h b/include/linux/swap.h
index 1e22e126d2acc7a880f449c5241c3a56e901e519..3e60228e7299bade2a864f21c9d4addc6c304cf7 100644 (file)
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -207,6 +207,7 @@ struct swap_list_t {
 /* linux/mm/page_alloc.c */
 extern unsigned long totalram_pages;
 extern unsigned long totalreserve_pages;
+extern unsigned long dirty_balance_reserve;
 extern unsigned int nr_free_buffer_pages(void);
 extern unsigned int nr_free_pagecache_pages(void);
 
@@ -272,7 +273,7 @@ static inline int zone_reclaim(struct zone *z, gfp_t mask, unsigned int order)
 #endif
 
 extern int page_evictable(struct page *page, struct vm_area_struct *vma);
-extern void scan_mapping_unevictable_pages(struct address_space *);
+extern void check_move_unevictable_pages(struct page **, int nr_pages);
 
 extern unsigned long scan_unevictable_pages;
 extern int scan_unevictable_handler(struct ctl_table *, int,