If the orphaned page has no buffer attached at the moment, we clean it up by
hand, then it has the chance to progress the freeing trip.
Signed-off-by: Hillf Danton <dhillf@xxxxxxxxx>
---
--- a/mm/vmscan.c Sun Dec 4 13:10:08 2011
+++ b/mm/vmscan.c Mon Dec 12 20:12:44 2011
@@ -487,12 +487,10 @@ static pageout_t pageout(struct page *pa
* Some data journaling orphaned pages can have
* page->mapping == NULL while being dirty with clean buffers.
*/
- if (page_has_private(page)) {
- if (try_to_free_buffers(page)) {
- ClearPageDirty(page);
- printk("%s: orphaned page\n", __func__);
- return PAGE_CLEAN;
- }
+ if (!page_has_private(page) || try_to_free_buffers(page)) {
+ ClearPageDirty(page);
+ printk(KERN_INFO "%s: orphaned page\n", __func__);
+ return PAGE_CLEAN;
}
return PAGE_KEEP;
}
--
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