linux-kernel - Re: [PATCH 05/14] lib: Add I/O map cache implementation

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Message-ID: <20130116112556.GR23505@n2100.arm.linux.org.uk>
Date:	Wed, 16 Jan 2013 11:25:56 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Thierry Reding <thierry.reding@...onic-design.de>
Cc:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Arnd Bergmann <arnd@...db.de>,
	Stephen Warren <swarren@...dotorg.org>,
	linux-tegra@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Andrew Murray <andrew.murray@....com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH 05/14] lib: Add I/O map cache implementation

On Wed, Jan 16, 2013 at 11:18:22AM +0100, Thierry Reding wrote:
> 		err = ioremap_page_range(virt, virt + SZ_64K - 1, phys,

Why -1 here?
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