If I have a mix of 2M and 1G pages on the host, how will I be able to pass the same to the guest?. Does KVM and Libvirtd allow multiple -mem-path options?. Also, where in the source can I find more info about hugepage support in KVM? Thanks and regards, Sriram --- On Wed, 5/9/12, Avi Kivity <avi@xxxxxxxxxx> wrote: > From: Avi Kivity <avi@xxxxxxxxxx> > Subject: Re: 1G huge pages in Linux guest VM > To: "Sriram Murthy" <sriramsm@xxxxxxxxx> > Cc: kvm@xxxxxxxxxxxxxxx > Date: Wednesday, May 9, 2012, 2:55 AM > 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 > > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
