On Tue, Jul 08, 2014 at 10:30:38AM +0900, Minchan Kim wrote: > Actually, I did but found no problem except CONFIG_DEBUG_VM but rollback > after peeking [1]. > When I read the description in detail by your review, I think we can remove > BUG_ON(PageTransHuge(page)) in try_to_unmap and go with no split for lazyfree > page because they are not in swapcache any more so the assumption of [1] is > not valid. Will do it in next revision. No. try_to_unmap() knows nothing about PMDs, so page_check_address() will always return NULL for THP and you will not unmap anything. -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
