Re: [PATCH 10/11] x86/xen: open code alloc_vm_area in arch_gnttab_valloc

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To: Christoph Hellwig <hch@xxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 10/11] x86/xen: open code alloc_vm_area in arch_gnttab_valloc
From: boris.ostrovsky@xxxxxxxxxx
Date: Thu, 24 Sep 2020 19:43:36 -0400
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>, Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>, Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>, Matthew Auld <matthew.auld@xxxxxxxxx>, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, Minchan Kim <minchan@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Nitin Gupta <ngupta@xxxxxxxxxx>, x86@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, intel-gfx@xxxxxxxxxxxxxxxxxxxxx, dri-devel@xxxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20200924135853.875294-11-hch@lst.de>
Organization: Oracle Corporation
References: <20200924135853.875294-1-hch@lst.de> <20200924135853.875294-11-hch@lst.de>
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.2.2

On 9/24/20 9:58 AM, Christoph Hellwig wrote:
> Replace the last call to alloc_vm_area with an open coded version using
> an iterator in struct gnttab_vm_area instead of the triple indirection
> magic in alloc_vm_area.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

References:
- remove alloc_vm_area v2
  - From: Christoph Hellwig
- [PATCH 10/11] x86/xen: open code alloc_vm_area in arch_gnttab_valloc
  - From: Christoph Hellwig

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