flush cache before installing new page at migraton
flush cache before installing new page at migraton

In migration, a new page should be cache flushed before set_pte() in some
archs which have virtually-tagged cache.

Signed-off-by: KAMEZAWA Hiroyuki <634f508bd7c47cf0ee4126243675c3e598920fbc@jp.fujitsu.com>
Cc: "Luck, Tony" <e7984595ec0368ff920a7b3521dc7093683f6f26@intel.com>
Cc: Christoph Lameter <a2610c5c148280bb6730402b12a8276c2f194fbe@sgi.com>
Cc: Hugh Dickins <a6c5230a10c458028ff1bd5985dd47c394028d47@veritas.com>
Cc: Nick Piggin <3db79564e4bc2ada42ade8dfd09b5548e4fe6cdf@yahoo.com.au>
Acked-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs