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Re: [Xen-devel] [PATCH] xen/page_alloc: Distinguish different errors from assign_pages()

To: Xen-devel <xen-devel@xxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Tue, 28 Jun 2016 18:58:56 +0100
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>
Delivery-date: Tue, 28 Jun 2016 17:59:16 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 28/06/16 18:56, Andrew Cooper wrote:
> assign_pages() has a return type of int, but uses for a boolean value.  As
> there are two distinct failure cases, return a more meaningful error.

Sorry - sent an out of date version.  This sentence actually reads

assign_pages() has a return type of int, but only returns 0 or -1.  As there
are two distinct failure cases, return a more meaningful error.

~Andrew

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  - From: Andrew Cooper

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