diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 2d658b208319..5cc892b26339 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2746,12 +2746,6 @@ int test_clear_page_writeback(struct page *page) } else { ret = TestClearPageWriteback(page); } - /* - * NOTE: Page might be free now! Writeback doesn't hold a page - * reference on its own, it relies on truncation to wait for - * the clearing of PG_writeback. The below can only access - * page state that is static across allocation cycles. - */ if (ret) { dec_lruvec_state(lruvec, NR_WRITEBACK); dec_zone_page_state(page, NR_ZONE_WRITE_PENDING); @@ -2817,7 +2811,7 @@ EXPORT_SYMBOL(__test_set_page_writeback); */ void wait_on_page_writeback(struct page *page) { - if (PageWriteback(page)) { + while (PageWriteback(page)) { trace_wait_on_page_writeback(page, page_mapping(page)); wait_on_page_bit(page, PG_writeback); } |