From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 03 Jul 2008 15:02:23 +0900 From: KOSAKI Motohiro Subject: Re: [-mm][PATCH 1/10] fix UNEVICTABLE_LRU and !PROC_PAGE_MONITOR build In-Reply-To: <20080702223652.3b57dc4b.akpm@linux-foundation.org> References: <20080625185950.D84F.KOSAKI.MOTOHIRO@jp.fujitsu.com> <20080702223652.3b57dc4b.akpm@linux-foundation.org> Message-Id: <20080703145454.B963.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: kosaki.motohiro@jp.fujitsu.com, LKML , linux-mm , Lee Schermerhorn , Rik van Riel , Benjamin Kidwell List-ID: > > config UNEVICTABLE_LRU > > bool "Add LRU list to track non-evictable pages" > > default y > > + select PAGE_WALKER > > So what do we do? Make UNEVICTABLE_LRU depend on CONFIG_MMU? That > would be even worse than what we have now. I'm not sure about what do we do. but I'd prefer "depends on MMU". because current munlock implementation need pagewalker. So, munlock rewriting have high risk rather than change depend on. Rik, What do you think? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org