nommu: there is no mlock() for NOMMU, so don't provide the bits
commit33925b25d2c00a29664f1994ab350a9bff70f7a2
authorDavid Howells <dhowells@redhat.com>
Tue, 31 Mar 2009 22:23:26 +0000 (31 15:23 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 1 Apr 2009 15:59:14 +0000 (1 08:59 -0700)
treefe1a0ef5cceba27664eae8f38f9e4e2a27bf1b36
parent7ca43e7564679604d86e9ed834e7bbcffd8a4a3f
nommu: there is no mlock() for NOMMU, so don't provide the bits

The mlock() facility does not exist for NOMMU since all mappings are
effectively locked anyway, so we don't make the bits available when
they're not useful.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Greg Ungerer <gerg@snapgear.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Enrik Berkhan <Enrik.Berkhan@ge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/page-flags.h
mm/Kconfig
mm/internal.h