From: "Jürgen Groß" <jgross@suse.com>
To: Roger Pau Monne <roger.pau@citrix.com>,
xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org
Cc: Stefano Stabellini <sstabellini@kernel.org>,
Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Subject: Re: [PATCH 2/2] xen/balloon: improve accuracy of initial balloon target for dom0
Date: Wed, 28 Jan 2026 16:23:58 +0100 [thread overview]
Message-ID: <7c05accc-91b7-45cf-b470-d8e134f2c99c@suse.com> (raw)
In-Reply-To: <20260128110510.46425-3-roger.pau@citrix.com>
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On 28.01.26 12:05, Roger Pau Monne wrote:
> The dom0 balloon target set by the toolstack is the value returned by
> XENMEM_current_reservation. Do the same in the kernel balloon driver and
> set the current allocation to the value returned by
> XENMEM_current_reservation. On my test system this causes the kernel
> balloon driver target to exactly match the value set by the toolstack in
> xenstore.
>
> Note this approach can be used by both PV and PVH dom0s, as the toolstack
> always uses XENMEM_current_reservation to set the initial target regardless
> of the dom0 type.
>
> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Juergen
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prev parent reply other threads:[~2026-01-28 15:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-28 11:05 [PATCH 0/2] xen/balloon: fix balloon driver initial target Roger Pau Monne
2026-01-28 11:05 ` [PATCH 1/2] Partial revert "x86/xen: fix balloon target initialization for PVH dom0" Roger Pau Monne
2026-01-28 15:23 ` Jürgen Groß
2026-01-28 11:05 ` [PATCH 2/2] xen/balloon: improve accuracy of initial balloon target for dom0 Roger Pau Monne
2026-01-28 11:31 ` Jürgen Groß
2026-01-28 11:54 ` Roger Pau Monné
2026-01-28 15:18 ` Jürgen Groß
2026-01-28 15:23 ` Jürgen Groß [this message]
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