From: Avi Kivity <avi@redhat.com>
To: Sriram Murthy <sriramsm@yahoo.com>
Cc: kvm@vger.kernel.org
Subject: Re: 1G huge pages in Linux guest VM
Date: Wed, 09 May 2012 12:55:00 +0300 [thread overview]
Message-ID: <4FAA3EF4.4060700@redhat.com> (raw)
In-Reply-To: <1336502330.2588.YahooMailClassic@web160505.mail.bf1.yahoo.com>
On 05/08/2012 09:38 PM, Sriram Murthy wrote:
> Hi,
> I wanted to know if we can pass a hugetlbfs with pagesize=1G created on the host to a Linux guest (The host is running RHEL 6.2 - x86_64 on Intel Westmere)?.
Yes, this is supported.
> I am using RHEL 6.2 on the host and guest and the processor that has been passed by KVM to the guest is Intel Westmere and has the pdpe1gb flag set. Does this mean that the guest supports 1G huge pages?
Yes. Note 1gb hugepages on the guest are supported even if not provided
by the host (of course the performance improvement will be smaller).
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2012-05-09 9:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-08 18:38 1G huge pages in Linux guest VM Sriram Murthy
2012-05-09 9:55 ` Avi Kivity [this message]
2012-05-10 15:53 ` Sriram Murthy
2012-05-15 2:53 ` Marcelo Tosatti
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