diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page-writeback.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 7262aacea8a2..c09ef5219cbe 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -836,7 +836,8 @@ void tag_pages_for_writeback(struct address_space *mapping, spin_unlock_irq(&mapping->tree_lock); WARN_ON_ONCE(tagged > WRITEBACK_TAG_BATCH); cond_resched(); - } while (tagged >= WRITEBACK_TAG_BATCH); + /* We check 'start' to handle wrapping when end == ~0UL */ + } while (tagged >= WRITEBACK_TAG_BATCH && start); } EXPORT_SYMBOL(tag_pages_for_writeback); |