From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4518C7F1.3050809@yahoo.com.au> Date: Tue, 26 Sep 2006 16:25:53 +1000 From: Nick Piggin MIME-Version: 1.0 Subject: Re: Checking page_count(page) in invalidate_complete_page References: <4518333E.2060101@oracle.com> <20060925141036.73f1e2b3.akpm@osdl.org> <45185D7E.6070104@yahoo.com.au> <451862C5.1010900@oracle.com> <45186481.1090306@yahoo.com.au> <45186DC3.7000902@oracle.com> <451870C6.6050008@yahoo.com.au> <4518835D.3080702@oracle.com> In-Reply-To: <4518835D.3080702@oracle.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: chuck.lever@oracle.com Cc: Andrew Morton , Trond Myklebust , Steve Dickson , linux-mm@kvack.org List-ID: Chuck Lever wrote: > Nick Piggin wrote: > >> But they're present on the LRU? That's unusual (I guess NFS doesn't >> have a buffer cache for a backing >> block device). > > > That is correct -- NFS doesn't use the buffer cache. So that raises another question: how do they get to invalidate_inode_pages2 if they are not part of the buffer or pagecache? -- Send instant messages to your online friends http://au.messenger.yahoo.com -- 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