From: Kevin Cernekee <cernekee@gmail.com>
Date: Thu, 6 Jan 2011 07:31:30 +0000 (-0800)
Subject: MIPS: Limit fixrange_init() to the FIXMAP region
X-Git-Tag: v3.1-rc1~219^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=464fd83e841a16f4ea1325b33eb08170ef5cd1f4;p=pandora-kernel.git

MIPS: Limit fixrange_init() to the FIXMAP region

fixrange_init() allocates page tables for all addresses higher than
FIXADDR_TOP.  On processors that override the default FIXADDR_TOP
address of 0xfffe_0000, this can consume up to 4 pages (1 page per 4MB)
for pgd's that are never used.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/1980/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

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