From a0960eda141683b532608071cc3a808a7f8559ef Mon Sep 17 00:00:00 2001
From: "Steven J. Hill" <sjhill@mips.com>
Date: Fri, 6 Jul 2012 21:56:01 +0200
Subject: [PATCH] MIPS: Refactor 'clear_page' and 'copy_page' functions.

commit c022630633624a75b3b58f43dd3c6cc896a56cff upstream.

Remove usage of the '__attribute__((alias("...")))' hack that aliased
to integer arrays containing micro-assembled instructions. This hack
breaks when building a microMIPS kernel. It also makes the code much
easier to understand.

[ralf@linux-mips.org: Added back export of the clear_page and copy_page
symbols so certain modules will work again.  Also fixed build with
CONFIG_SIBYTE_DMA_PAGEOPS enabled.]

Signed-off-by: Steven J. Hill <sjhill@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3866/
Acked-by: David Daney <david.daney@cavium.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
[bwh: Backported to 3.2: adjust context]
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
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