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From: Sasha Levin <levinsasha928@gmail.com>
To: penberg@kernel.org
Cc: kvm@vger.kernel.org, mingo@elte.hu, asias.hejun@gmail.com,
	gorcunov@gmail.com, prasadjoshi124@gmail.com,
	Sasha Levin <levinsasha928@gmail.com>
Subject: [PATCH 7/9] kvm tools: Advise memory allocated for guest RAM as KSM mergable
Date: Wed, 29 Jun 2011 14:02:16 -0400	[thread overview]
Message-ID: <1309370538-7947-7-git-send-email-levinsasha928@gmail.com> (raw)
In-Reply-To: <1309370538-7947-1-git-send-email-levinsasha928@gmail.com>

Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
---
 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 4f723a6..15bcf08 100644
--- a/tools/kvm/kvm.c
+++ b/tools/kvm/kvm.c
@@ -345,6 +345,8 @@ 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


  parent reply	other threads:[~2011-06-29 18:04 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-29 18:02 [PATCH 1/9] kvm tools: Don't dynamically allocate threadpool jobs Sasha Levin
2011-06-29 18:02 ` [PATCH 2/9] kvm tools: Process virtio-blk requests in parallel Sasha Levin
2011-06-29 18:02 ` [PATCH 3/9] kvm tools: Allow giving instance names Sasha Levin
2011-06-30  7:53   ` Pekka Enberg
2011-06-30  8:30     ` Avi Kivity
2011-06-30 15:00       ` Sasha Levin
2011-06-30 15:03         ` Avi Kivity
2011-06-30 15:03     ` Sasha Levin
2011-06-29 18:02 ` [PATCH 4/9] kvm tools: Provide instance name when running 'kvm debug' Sasha Levin
2011-06-29 18:02 ` [PATCH 5/9] kvm tools: Provide instance name when running 'kvm pause' Sasha Levin
2011-06-29 18:02 ` [PATCH 6/9] kvm tools: Add virtio-balloon device Sasha Levin
2011-06-29 18:02 ` Sasha Levin [this message]
2011-06-29 18:02 ` [PATCH 8/9] kvm tools: Add 'kvm balloon' command Sasha Levin
2011-06-29 18:02 ` [PATCH 9/9] kvm tools: Stop VCPUs before freeing struct kvm Sasha Levin

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