linux-kernel - Re: [Xen-devel] [PATCH] xen/xenbus: Don't leak memory when unmapping the ring on HVM backend

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Message-ID: <55C9C8CC.9060409@citrix.com>
Date:	Tue, 11 Aug 2015 11:05:00 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Julien Grall <julien.grall@...rix.com>,
	<xen-devel@...ts.xenproject.org>
CC:	Wei Liu <wei.liu2@...rix.com>, <linux-kernel@...r.kernel.org>,
	"David Vrabel" <david.vrabel@...rix.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: Re: [Xen-devel] [PATCH] xen/xenbus: Don't leak memory when unmapping
 the ring on HVM backend

On 10/08/15 19:10, Julien Grall wrote:
> The commit ccc9d90a9a8b5c4ad7e9708ec41f75ff9e98d61d "xenbus_client:
> Extend interface to support multi-page ring" removes the call to
> free_xenballooned_pages in xenbus_unmap_ring_vfree_hvm.
> 
> This will result to not give back the pages to Linux and loose them
> forever. It only happens when the backends are running in HVM domains.

Applied to for-linus-4.2 and tagged for stable, thanks.

David
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