diff --git a/fs/buffer.c b/fs/buffer.c
index 13e5938a64f6338072e06c16ad8b73e366cad024..561e63a149667abafef2c92aabe287e0eae2f27d 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -278,7 +278,7 @@ EXPORT_SYMBOL(thaw_bdev);
  */
 static void do_sync(unsigned long wait)
 {
-	wakeup_bdflush(0);
+	wakeup_pdflush(0);
 	sync_inodes(0);		/* All mappings, inodes and their blockdevs */
 	DQUOT_SYNC(NULL);
 	sync_supers();		/* Write the superblocks */
@@ -497,7 +497,7 @@ static void free_more_memory(void)
 	struct zone **zones;
 	pg_data_t *pgdat;
 
-	wakeup_bdflush(1024);
+	wakeup_pdflush(1024);
 	yield();
 
 	for_each_pgdat(pgdat) {
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index d5c3fe1bf33d0eb8cae67930dc02efc53dc17136..542dbaee65129480867593be885ab71c05be8796 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -85,7 +85,7 @@ static inline void wait_on_inode(struct inode *inode)
 /*
  * mm/page-writeback.c
  */
-int wakeup_bdflush(long nr_pages);
+int wakeup_pdflush(long nr_pages);
 void laptop_io_completion(void);
 void laptop_sync_completion(void);
 void throttle_vm_writeout(void);
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 613b99a55917577fd6eeb8f835fd2b67e72e5bbc..a6329fa8f862da5aea02238c687e93843ba2a80e 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -354,7 +354,7 @@ static void background_writeout(unsigned long _min_pages)
  * the whole world.  Returns 0 if a pdflush thread was dispatched.  Returns
  * -1 if all pdflush threads were busy.
  */
-int wakeup_bdflush(long nr_pages)
+int wakeup_pdflush(long nr_pages)
 {
 	if (nr_pages == 0) {
 		struct writeback_state wbs;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 1fa312a8db7751aee563a9c6affaa0e1aa26007f..cfffe5098d538e6d54d1954c523d455924cbf7fc 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -972,7 +972,7 @@ int try_to_free_pages(struct zone **zones, unsigned int gfp_mask)
 		 * writeout.  So in laptop mode, write out the whole world.
 		 */
 		if (total_scanned > sc.swap_cluster_max + sc.swap_cluster_max/2) {
-			wakeup_bdflush(laptop_mode ? 0 : total_scanned);
+			wakeup_pdflush(laptop_mode ? 0 : total_scanned);
 			sc.may_writepage = 1;
 		}