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-rw-r--r--mm/migrate.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 09f6e4aa87fc..d444229f2599 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -16,8 +16,7 @@
16#include <linux/module.h> 16#include <linux/module.h>
17#include <linux/swap.h> 17#include <linux/swap.h>
18#include <linux/pagemap.h> 18#include <linux/pagemap.h>
19#include <linux/buffer_head.h> /* for try_to_release_page(), 19#include <linux/buffer_head.h>
20 buffer_heads_over_limit */
21#include <linux/mm_inline.h> 20#include <linux/mm_inline.h>
22#include <linux/pagevec.h> 21#include <linux/pagevec.h>
23#include <linux/rmap.h> 22#include <linux/rmap.h>
@@ -28,8 +27,6 @@
28 27
29#include "internal.h" 28#include "internal.h"
30 29
31#include "internal.h"
32
33/* The maximum number of pages to take off the LRU for migration */ 30/* The maximum number of pages to take off the LRU for migration */
34#define MIGRATE_CHUNK_SIZE 256 31#define MIGRATE_CHUNK_SIZE 256
35 32
@@ -176,7 +173,6 @@ unlock_retry:
176retry: 173retry:
177 return -EAGAIN; 174 return -EAGAIN;
178} 175}
179EXPORT_SYMBOL(swap_page);
180 176
181/* 177/*
182 * Remove references for a page and establish the new page with the correct 178 * Remove references for a page and establish the new page with the correct
@@ -234,7 +230,7 @@ int migrate_page_remove_references(struct page *newpage,
234 if (!page_mapping(page) || page_count(page) != nr_refs || 230 if (!page_mapping(page) || page_count(page) != nr_refs ||
235 *radix_pointer != page) { 231 *radix_pointer != page) {
236 write_unlock_irq(&mapping->tree_lock); 232 write_unlock_irq(&mapping->tree_lock);
237 return 1; 233 return -EAGAIN;
238 } 234 }
239 235
240 /* 236 /*