From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756755AbYIYMDz (ORCPT ); Thu, 25 Sep 2008 08:03:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755006AbYIYL4P (ORCPT ); Thu, 25 Sep 2008 07:56:15 -0400 Received: from mx2.redhat.com ([66.187.237.31]:48601 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754829AbYIYL4M (ORCPT ); Thu, 25 Sep 2008 07:56:12 -0400 From: Avi Kivity To: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org, Avi Kivity Subject: [PATCH 29/39] KVM: Allocate guest memory as MAP_PRIVATE, not MAP_SHARED Date: Thu, 25 Sep 2008 14:55:01 +0300 Message-Id: <1222343711-12508-30-git-send-email-avi@redhat.com> In-Reply-To: <1222343711-12508-1-git-send-email-avi@redhat.com> References: <1222343711-12508-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Avi Kivity There is no reason to share internal memory slots with fork()ed instances. Signed-off-by: Avi Kivity --- arch/x86/kvm/x86.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index bfc7c33..675d010 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4296,7 +4296,7 @@ int kvm_arch_set_memory_region(struct kvm *kvm, userspace_addr = do_mmap(NULL, 0, npages * PAGE_SIZE, PROT_READ | PROT_WRITE, - MAP_SHARED | MAP_ANONYMOUS, + MAP_PRIVATE | MAP_ANONYMOUS, 0); up_write(¤t->mm->mmap_sem); -- 1.6.0.1