tree dbeee0739669c6e77799b5c3a88fa27326647e20
parent 5a820fa7e1a34f12fec4e6766e5c335ae9427028
author Hugh Dickins <hugh@veritas.com> 1131401326 -0800
committer David S. Miller <davem@davemloft.net> 1131401326 -0800

[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>