From: Hugh Dickins <hugh@veritas.com>
Date: Mon, 7 Nov 2005 22:08:46 +0000 (-0800)
Subject: [SPARC64] mm: don't re-evaluate *ptep
X-Git-Tag: v2.6.15-rc1~422^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8ae48656db860d4c83a29aa7b0588fc89361935;p=pandora-kernel.git

[SPARC64] mm: don't re-evaluate *ptep

sparc64 prom_callback and new_setup_frame32 each operates on a user page
table without holding lock, and no doubt they've good reason.  But I'd
feel more confident if they were to do a "pte = *ptep" and then operate
on pte, rather than re-evaluating *ptep.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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