writeback: get rid to incorrect references to pdflush in comments

[safe/jmp/linux-2.6] / mm / page-writeback.c

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 3c78fc3..8bef063 100644 (file)
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -58,7 +58,7 @@ static inline long sync_writeback_pages(unsigned long dirtied)
 /* The following parameters are exported via /proc/sys/vm */
 
 /*
- * Start background writeback (via pdflush) at this percentage
+ * Start background writeback (via writeback threads) at this percentage
  */
 int dirty_background_ratio = 10;
 
@@ -477,8 +477,8 @@ get_dirty_limits(unsigned long *pbackground, unsigned long *pdirty,
  * balance_dirty_pages() must be called by processes which are generating dirty
  * data.  It looks at the number of dirty pages in the machine and will force
  * the caller to perform writeback if the system is over `vm_dirty_ratio'.
- * If we're over `background_thresh' then pdflush is woken to perform some
- * writeout.
+ * If we're over `background_thresh' then the writeback threads are woken to
+ * perform some writeout.
  */
 static void balance_dirty_pages(struct address_space *mapping,
                                unsigned long write_chunk)
@@ -582,7 +582,7 @@ static void balance_dirty_pages(struct address_space *mapping,
                bdi->dirty_exceeded = 0;
 
        if (writeback_in_progress(bdi))
-               return;         /* pdflush is already working this queue */
+               return;
 
        /*
         * In laptop mode, we wait until hitting the higher threshold before