On Fri, Dec 20, 2013 at 04:19:15AM +0900, Linus Torvalds wrote: > Yeah, that looks horribly buggy, if that's the intent. > > You can't just put_page() to remove something from the page cache. You > need to do the whole "remove from radix tree" rigamarole, see for > example delete_from_page_cache(). And you can't even do that blindly, > because if the page is under writeback or otherwise busy, just > removing it from the page cache and freeing it is wrong too. Okay, I'll rewriting it to use truncate to free the pages. -ben > Linus -- "Thought is the essence of where you are now." -- 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>