From: Catalin Marinas <catalin.marinas@arm.com>
Date: Tue, 6 Oct 2009 16:57:22 +0000 (+0100)
Subject: ARM: 5747/1: Fix the start_pg value in free_memmap()
X-Git-Tag: v2.6.32-rc5~36^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3257f43d9296ed7adcc84e48f6ddf5313cf29266;p=pandora-kernel.git

ARM: 5747/1: Fix the start_pg value in free_memmap()

If sparsemem is enabled, the start_pfn passed to the free_memmap()
function corresponds to an area of memory not known to the kernel and
pfn_to_page returns a wrong value. The (start_pfn - 1), however, is
known to the kernel.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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