From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id 05FB06B005C for ; Sat, 26 Sep 2009 07:58:45 -0400 (EDT) Date: Sat, 26 Sep 2009 12:58:53 +0100 (BST) From: Hugh Dickins Subject: Re: [RFC][PATCH] HWPOISON: remove the unsafe __set_page_locked() In-Reply-To: <20090926114806.GA12419@localhost> Message-ID: References: <20090926031537.GA10176@localhost> <20090926114806.GA12419@localhost> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Wu Fengguang Cc: Andrew Morton , Nick Piggin , Andi Kleen , "linux-mm@kvack.org" , LKML List-ID: On Sat, 26 Sep 2009, Wu Fengguang wrote: > > However we may well end up to accept the fact that "we just cannot do > hwpoison 100% correct", and settle with a simple and 99% correct code. I thought we already accepted that: you cannot do hwpoison 100% correct (or not without a radical rewrite of the OS); you're just looking to get it right almost all the time on those systems which have almost all their pages in pagecache or userspace or free. Hugh -- 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