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From: Greg KH <gregkh@linuxfoundation.org>
To: "Stephan Müller" <smueller@chronox.de>
Cc: herbert@gondor.apana.org.au, stable@vger.kernel.org,
	stable-commits@vger.kernel.org
Subject: Re: [PATCH v5] crypto: only call put_page on referenced and used pages
Date: Tue, 5 Sep 2017 08:22:43 +0200	[thread overview]
Message-ID: <20170905062243.GA15083@kroah.com> (raw)
In-Reply-To: <4873667.m4DXuR1bCz@positron.chronox.de>

On Mon, Sep 04, 2017 at 11:17:33PM +0200, Stephan M�ller wrote:
> Hi Greg,
> 
> > Nope, this broke the build, sorry.  If you want it in 4.4-stable, please
> > provide a backported patch.
> 
> 
> The issue is the missing page_ref_count function which used to be
> atomic_read(&page->_count).
> 
> I am not fully sure how to properly provide a patch for old kernels. Below
> is a manually created patch that compiles and has the same logic. Please
> let me know if that patch is not suitable.

That works great, thanks.

> Note, this patch is only for 4.4 and earlier.

This doesn't apply to 3.18-stable, is it needed there?

thanks,

greg k-h

  reply	other threads:[~2017-09-05  6:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-04  9:44 Patch "crypto: algif_skcipher - only call put_page on referenced and used pages" has been added to the 4.4-stable tree gregkh
2017-09-04 10:27 ` Greg KH
2017-09-04 21:17   ` [PATCH v5] crypto: only call put_page on referenced and used pages Stephan Müller
2017-09-05  6:22     ` Greg KH [this message]
2017-09-05  6:31       ` Stephan Mueller

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