From: Julien Grall <julien.grall@citrix.com>
To: "Mazen Ezzeddine (Student)" <emm09@mail.aub.edu>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Subject: Re: XEN same page merging.
Date: Wed, 20 May 2015 11:32:04 +0100 [thread overview]
Message-ID: <555C62A4.4010601@citrix.com> (raw)
In-Reply-To: <1432111281727.48589@mail.aub.edu>
On 20/05/15 09:41, Mazen Ezzeddine (Student) wrote:
> Dear all,
Hello,
> Could you please advise me whether XEN has a mechanism to merge/map same
> memory pages of different VMs into a single physical page in the
> available physical address space. If yes, is there a compilation flag
> to disable such feature?
Xen doesn't merge/map automatically the same physical memory page in
different VMs.
Although, it may be possible for a guest to map a page from another
domain in order to copy data.
Regards,
--
Julien Grall
prev parent reply other threads:[~2015-05-20 10:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-20 8:41 XEN same page merging Mazen Ezzeddine (Student)
2015-05-20 10:32 ` Julien Grall [this message]
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