From mboxrd@z Thu Jan 1 00:00:00 1970 In-reply-to: <20081022134531.GE26094@parisc-linux.org> (message from Matthew Wilcox on Wed, 22 Oct 2008 07:45:31 -0600) Subject: Re: [patch] fs: improved handling of page and buffer IO errors References: <20081021125915.GA26697@fogou.chygwyn.com> <20081021133814.GA26942@fogou.chygwyn.com> <20081021143518.GA7158@2ka.mipt.ru> <20081021145901.GA28279@fogou.chygwyn.com> <20081021162957.GQ26184@parisc-linux.org> <20081022124829.GA826@shareable.org> <20081022134531.GE26094@parisc-linux.org> Message-Id: From: Miklos Szeredi Date: Wed, 22 Oct 2008 16:02:22 +0200 Sender: owner-linux-mm@kvack.org Return-Path: To: matthew@wil.cx Cc: jamie@shareable.org, miklos@szeredi.hu, steve@chygwyn.com, zbr@ioremap.net, npiggin@suse.de, akpm@linux-foundation.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org List-ID: On Wed, 22 Oct 2008, Matthew Wilcox wrote: > On Wed, Oct 22, 2008 at 01:48:29PM +0100, Jamie Lokier wrote: > > Matthew Wilcox wrote: > > > Careful with those slurs you're throwing around. PA-RISC carefully > > > aligns its mmaps so they are coherent. > > > > (Unless you use MAP_FIXED?) > > Doctor, it hurts when I point this gun at my foot and pull the trigger > ... And remap_file_pages() also. Neither that nor MAP_FIXED are widely used, but still, coherency is not a completely solved issue. Miklos -- 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