On 01/10/2014 01:10 PM, Johannes Weiner wrote: > Reclaim will be leaving shadow entries in the page cache radix tree > upon evicting the real page. As those pages are found from the LRU, > an iput() can lead to the inode being freed concurrently. At this > point, reclaim must no longer install shadow pages because the inode > freeing code needs to ensure the page tree is really empty. > > Add an address_space flag, AS_EXITING, that the inode freeing code > sets under the tree lock before doing the final truncate. Reclaim > will check for this flag before installing shadow pages. > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx> Reviewed-by: Rik van Riel <riel@xxxxxxxxxx> -- All rights reversed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>