From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by yw-out-1718.google.com with SMTP id 5so27467ywm.26 for ; Thu, 18 Sep 2008 14:49:41 -0700 (PDT) Message-ID: <28c262360809181449v1050c1f7ndf17dadba9fac0bf@mail.gmail.com> Date: Fri, 19 Sep 2008 06:49:41 +0900 From: "MinChan Kim" Subject: Re: Populating multiple ptes at fault time In-Reply-To: <48D2C8DD.4040303@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <48D142B2.3040607@goop.org> <48D17A93.4000803@goop.org> <48D29AFB.5070409@linux-foundation.org> <48D2A392.6010308@goop.org> <33307c790809181352h14f2cf26kc73de75b939177b5@mail.gmail.com> <48D2BFB8.6010503@redhat.com> <33307c790809181411j41a6fc4ev8560a13ed8661ec2@mail.gmail.com> <48D2C46A.5030702@linux-foundation.org> <33307c790809181421k52ed6a36h9d4ee40d5799a536@mail.gmail.com> <48D2C8DD.4040303@linux-foundation.org> Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Martin Bligh , Chris Snook , Jeremy Fitzhardinge , Nick Piggin , Hugh Dickens , Linux Memory Management List , Linux Kernel Mailing List , Avi Kivity , Andrew Morton , Rik van Riel List-ID: On Fri, Sep 19, 2008 at 6:32 AM, Christoph Lameter wrote: > Martin Bligh wrote: > >>> Well, I guess we need a new binary format that allows one to execute binaries >>> in kernel address space with full powers. >> >> Seems ... extreme ;-) > > Well yes .... > >> Maybe we just do it if we're in readahead? (or similar) > > If we are in kernel space then the binary can call the readahead function as > needed ... ;-O In case of file-mapped pages, Shouldn't we use just on-demand readahead mechanism in kernel ? If it is inefficient, It means we have to change on-demand readahead mechanism itself. How about you ? > Ok, seriously: Anonymous pages are not subject to readahead so it wont work. > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Kinds regards, MinChan Kim -- 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