From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id E48AF5F0001 for ; Mon, 20 Apr 2009 08:52:27 -0400 (EDT) Message-ID: <49EC7005.7000909@redhat.com> Date: Mon, 20 Apr 2009 15:52:21 +0300 From: Izik Eidus MIME-Version: 1.0 Subject: Re: [PATCH 5/5] add ksm kernel shared memory driver. References: <1240191366-10029-1-git-send-email-ieidus@redhat.com> <1240191366-10029-2-git-send-email-ieidus@redhat.com> <1240191366-10029-3-git-send-email-ieidus@redhat.com> <1240191366-10029-4-git-send-email-ieidus@redhat.com> <1240191366-10029-5-git-send-email-ieidus@redhat.com> <1240191366-10029-6-git-send-email-ieidus@redhat.com> <20090420110223.76ba4593@lxorguk.ukuu.org.uk> <49EC584B.3060809@redhat.com> In-Reply-To: <49EC584B.3060809@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Avi Kivity Cc: Alan Cox , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm@vger.kernel.org, aarcange@redhat.com, chrisw@redhat.com, mtosatti@redhat.com, hugh@veritas.com List-ID: Avi Kivity wrote: > Alan Cox wrote: >> The minor number you are using already belongs to another project. >> >> 10,234 is free but it would be good to know what device naming is >> proposed. I imagine other folks would like to know why you aren't using >> sysfs or similar or extending /dev/kvm ? >> > > ksm was deliberately made independent of kvm. While there may or may > not be uses of ksm without kvm (you could run ordinary qemu, but no > one would do this in a production deployment), keeping them separate > helps avoid unnecessary interdependencies. For example all tlb > flushes are mediated through mmu notifiers instead of ksm hooking > directly into kvm. > Yes, beside, I do use sysfs for controlling the ksm behavior, Ioctls are provided as easier way for application to register its memory. -- 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