From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: follow_page() From: Arjan van de Ven In-Reply-To: <41935AB9.7000101@yahoo.com.au> References: <20041111024015.7c50c13d.akpm@osdl.org> <1100170570.2646.27.camel@laptop.fenrus.org> <20041111030634.1d06a7c1.akpm@osdl.org> <1100171453.2646.29.camel@laptop.fenrus.org> <419353D5.2080902@yahoo.com.au> <1100175387.4387.1.camel@laptop.fenrus.org> <41935AB9.7000101@yahoo.com.au> Content-Type: text/plain Message-Id: <1100177165.4387.4.camel@laptop.fenrus.org> Mime-Version: 1.0 Date: Thu, 11 Nov 2004 13:46:06 +0100 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Andrew Morton , linux-mm@kvack.org List-ID: > Well, if you write into the page returned via follow_page, that > isn't going to dirty the pte by itself... so it is a bit of a > hit and miss regarding whether the page really will get dirtied > through that pte in the near future (I don't know, maybe that > is generally what happens with normal usage patterns?). that's why the function has a parameter saying it is for writing too, I think... either way this deserves some comments in the code... -- -- 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: aart@kvack.org