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From: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>
To: Jan Beulich <jbeulich@suse.com>
Cc: "Jürgen Groß" <jgross@suse.com>,
	xen-devel <xen-devel@lists.xenproject.org>,
	"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"David Hildenbrand (Arm)" <david@kernel.org>
Subject: Re: Excluding init_on_free for pages for initial balloon down (Xen)
Date: Mon, 2 Mar 2026 12:11:23 +0100	[thread overview]
Message-ID: <aaVwXPBV-09yItPM@mail-itl> (raw)
In-Reply-To: <b7fd4685-1c46-428b-8f5d-b6eb447f0ee7@suse.com>

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On Mon, Mar 02, 2026 at 12:05:57PM +0100, Jan Beulich wrote:
> On 02.03.2026 12:01, Marek Marczykowski-Górecki wrote:
> > It isn't just reducing double-zeroing to single zeroing. It's about
> > avoiding zeroing such pages at all. If a domU is started with
> > populate-on-demand, many (sometimes most) of its pages are populated in
> > EPT.
> 
> ITYM "unpopulated in EPT"?

Yes...


-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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  reply	other threads:[~2026-03-02 11:11 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-01 15:04 Excluding init_on_free for pages for initial balloon down (Xen) Marek Marczykowski-Górecki
2026-03-02  6:36 ` Jürgen Groß
2026-03-02  8:40   ` David Hildenbrand (Arm)
2026-03-02 11:01     ` Marek Marczykowski-Górecki
2026-03-02 11:05       ` Jan Beulich
2026-03-02 11:11         ` Marek Marczykowski-Górecki [this message]
2026-03-02 14:54       ` David Hildenbrand (Arm)
2026-03-02 15:11         ` Marek Marczykowski-Górecki
2026-03-02 15:21           ` Jürgen Groß

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