From: Masahiro Yamada <yamada.m@jp.panasonic.com>
Date: Tue, 20 Jan 2015 03:38:25 +0000 (+0100)
Subject: ARM: 8292/1: mm: fix size rounding-down of arm_add_memory() function
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~243^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=909ba297beb50981a9d12364688d3c5f3084c6eb;p=pandora-kernel.git

ARM: 8292/1: mm: fix size rounding-down of arm_add_memory() function

The current rounding of "size" is wrong:

 - If "start" is sufficiently near the next page boundary, "size"
   is decremented by more than enough and the last page is lost.

 - If "size" is sufficiently small, it is wrapped around and gets
   a bogus value.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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