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Re: [PATCH v4 05/16] libs/guest: allocate various migration arrays just once
- To: Frediano Ziglio <freddy77@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Mon, 8 Jun 2026 16:36:54 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Edwin Török <edwin.torok@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
- Delivery-date: Mon, 08 Jun 2026 15:37:12 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 03/06/2026 2:05 pm, Frediano Ziglio wrote:
> From: Edwin Török <edwin.torok@xxxxxxxxxx>
>
> Allocate these array just once at the start of migration,
> using the maximum batch size, and free them at the end.
>
> Signed-off-by: Edwin Török <edwin.torok@xxxxxxxxxx>
> Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
> --
> Changes since v2:
> - change prefix in subject.
>
> Changes since v3:
> - fix comment style
These are intentionally freed/reallocated so valgrind can find overflows.
~Andrew
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