From b9b441d119b8dd9caba4fa9e1997a17ab6fde5ad Mon Sep 17 00:00:00 2001
From: Michael Ellerman <mpe@ellerman.id.au>
Date: Fri, 6 May 2016 16:46:00 +1000
Subject: [PATCH] powerpc/mm/hash64: Factor out hash preload psize check

commit 8bbc9b7b001eaab8abf7e9e24edf1bb285c8d825 upstream.

Currently we have a check in hash_preload() against the psize, which is
only included when CONFIG_PPC_MM_SLICES is enabled. We want to expand
this check in a subsequent patch, so factor it out to allow that. As a
bonus it removes the #ifdef in the C code.

Unfortunately we can't put this in the existing CONFIG_PPC_MM_SLICES
block because it would require a forward declaration.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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