From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH v2 7/8] kvm tools: Advise memory allocated for guest RAM as KSM mergable Date: Sun, 3 Jul 2011 02:52:09 +0300 Message-ID: <1309650731-5796-7-git-send-email-levinsasha928@gmail.com> References: <1309650731-5796-1-git-send-email-levinsasha928@gmail.com> Cc: kvm@vger.kernel.org, mingo@elte.hu, asias.hejun@gmail.com, gorcunov@gmail.com, prasadjoshi124@gmail.com, Sasha Levin To: penberg@kernel.org Return-path: Received: from mail-ww0-f44.google.com ([74.125.82.44]:50462 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750788Ab1GBAAV (ORCPT ); Fri, 1 Jul 2011 20:00:21 -0400 Received: by wwe5 with SMTP id 5so3648131wwe.1 for ; Fri, 01 Jul 2011 17:00:20 -0700 (PDT) In-Reply-To: <1309650731-5796-1-git-send-email-levinsasha928@gmail.com> Sender: kvm-owner@vger.kernel.org List-ID: Signed-off-by: Sasha Levin --- tools/kvm/kvm.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/tools/kvm/kvm.c b/tools/kvm/kvm.c index 23d31a3..2f5d633 100644 --- a/tools/kvm/kvm.c +++ b/tools/kvm/kvm.c @@ -346,6 +346,8 @@ struct kvm *kvm__init(const char *kvm_dev, u64 ram_size, const char *name) if (kvm->ram_start == MAP_FAILED) die("out of memory"); + madvise(kvm->ram_start, kvm->ram_size, MADV_MERGEABLE); + ret = ioctl(kvm->vm_fd, KVM_CREATE_IRQCHIP); if (ret < 0) die_perror("KVM_CREATE_IRQCHIP ioctl"); -- 1.7.6