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Re: [Xen-devel] [PATCH v2 03/30] xen/x86: fix parameters and return value of *_set_allocation functions

To: "Roger Pau Monne" <roger.pau@xxxxxxxxxx>
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Thu, 29 Sep 2016 04:39:02 -0600
Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx
Delivery-date: Thu, 29 Sep 2016 10:39:18 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

>>> On 27.09.16 at 17:56, <roger.pau@xxxxxxxxxx> wrote:
> Return should be an int, and the number of pages should be an unsigned long.

I can see the former, but why the latter? Acting on 32-bit quantities
is a little cheaper after all.

Jan


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