diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page-writeback.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index e3bccac1f025..94159819a651 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1129,6 +1129,17 @@ void account_page_dirtied(struct page *page, struct address_space *mapping) EXPORT_SYMBOL(account_page_dirtied); /* + * Helper function for set_page_writeback family. + * NOTE: Unlike account_page_dirtied this does not rely on being atomic + * wrt interrupts. + */ +void account_page_writeback(struct page *page) +{ + inc_zone_page_state(page, NR_WRITEBACK); +} +EXPORT_SYMBOL(account_page_writeback); + +/* * For address_spaces which do not use buffers. Just tag the page as dirty in * its radix tree. * @@ -1366,7 +1377,7 @@ int test_set_page_writeback(struct page *page) ret = TestSetPageWriteback(page); } if (!ret) - inc_zone_page_state(page, NR_WRITEBACK); + account_page_writeback(page); return ret; } |