Re: [PATCH] memory hotremoval for linux-2.6.7 [2/16]

[Hirokazu Takahashi <taka@valinux.co.jp>]

--- linux-2.6.7.ORG/include/linux/swap.h	Sat Jul 10 12:30:17 2032
+++ linux-2.6.7/include/linux/swap.h	Sat Jul 10 13:47:57 2032
@@ -174,6 +174,17 @@ extern void swap_setup(void);
 /* linux/mm/vmscan.c */
 extern int try_to_free_pages(struct zone **, unsigned int, unsigned int);
 extern int shrink_all_memory(int);
+typedef enum {
+	/* failed to write page out, page is locked */
+	PAGE_KEEP,
+	/* move page to the active list, page is locked */
+	PAGE_ACTIVATE,
+	/* page has been sent to the disk successfully, page is unlocked */
+	PAGE_SUCCESS,
+	/* page is clean and locked */
+	PAGE_CLEAN,
+} pageout_t;
+extern pageout_t pageout(struct page *, struct address_space *);
 extern int vm_swappiness;
 
 #ifdef CONFIG_MMU
--- linux-2.6.7.ORG/mm/vmscan.c	Sat Jul 10 15:13:47 2032
+++ linux-2.6.7/mm/vmscan.c	Sat Jul 10 13:48:42 2032
@@ -236,22 +241,10 @@ static void handle_write_error(struct ad
 	unlock_page(page);
 }
 
-/* possible outcome of pageout() */
-typedef enum {
-	/* failed to write page out, page is locked */
-	PAGE_KEEP,
-	/* move page to the active list, page is locked */
-	PAGE_ACTIVATE,
-	/* page has been sent to the disk successfully, page is unlocked */
-	PAGE_SUCCESS,
-	/* page is clean and locked */
-	PAGE_CLEAN,
-} pageout_t;
-
 /*
  * pageout is called by shrink_list() for each dirty page. Calls ->writepage().
  */
-static pageout_t pageout(struct page *page, struct address_space *mapping)
+pageout_t pageout(struct page *page, struct address_space *mapping)
 {
 	/*
 	 * If the page is dirty, only perform writeback if that write
--
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