linux-kernel - Re: [PATCH] Fix guest memory leak and panic

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Message-ID: <OFB632D60B.6534A38B-ON6525792D.003A1B21-6525792D.003B0DB8@in.ibm.com>
Date:	Tue, 18 Oct 2011 16:16:41 +0530
From:	Krishna Kumar2 <krkumar2@...ibm.com>
To:	Ian Campbell <Ian.Campbell@...rix.com>
Cc:	"davem@...emloft.net" <davem@...emloft.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"mst@...hat.com" <mst@...hat.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"rusty@...tcorp.com.au" <rusty@...tcorp.com.au>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH] Fix guest memory leak and panic

Ian Campbell <Ian.Campbell@...rix.com> wrote on 10/18/2011 03:17:11 PM:

> > I think the best thing might be to remove the additional ref taking
from
> > the setter function and audit the previous changes to ensure they
> > conform. I'll do that right away and post a fixup patch ASAP.
>
> Sigh, only one out of the ten callers of (__)skb_frag_set_page expects
> skb_frag_set_page to take a new reference. I think that's pretty
> comprehensive evidence that the current behaviour is unexpected and
> wrong.

Looks good!

Does it make sense to commit both of these patches? The
reason being - my patch becomes a cleanup of set_skb_frag()
in virtio_net driver.

thanks,

- KK

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