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From: John Einar Reitan <john.reitan@foss.arm.com>
To: Colin Cross <ccross@google.com>
Cc: "Laura Abbott" <labbott@redhat.com>,
	"Greg KH" <gregkh@linuxfoundation.org>,
	"Arve Hjønnevåg" <arve@android.com>,
	"devel@driverdev.osuosl.org" <devel@driverdev.osuosl.org>,
	lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ion: scatterlist offset not used for buffer map
Date: Mon, 11 Apr 2016 09:10:10 +0200	[thread overview]
Message-ID: <20160411071010.GA25871@e106921-lin.trondheim.arm.com> (raw)
In-Reply-To: <CAMbhsRTOpdjG8yShpFUvC3=aswLbFY8p7Q2Cab7pBh+2smY=+Q@mail.gmail.com>

> I don't think this is right.  A compound_page still has a page struct
> for every page, you should be passing the page struct where your data
> starts.  Using an offset > PAGE_SIZE is going to break lots of places,
> for example anywhere that uses kmap(sg_page(sg)).

Was kind-of expecting that response. Will update, thanks.

      reply	other threads:[~2016-04-11  7:10 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-07 11:29 [PATCH] ion: scatterlist offset not used for buffer map John Einar Reitan
2016-04-07 19:37 ` Laura Abbott
2016-04-08  6:56   ` John Einar Reitan
2016-04-08 22:43     ` Laura Abbott
2016-04-08 23:11     ` Colin Cross
2016-04-11  7:10       ` John Einar Reitan [this message]

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