mm: page_alloc: fix comment get_page_from_freelist

cpuset_zone_allowed is changed to cpuset_zone_allowed_softwall and the
comment is moved to __cpuset_node_allowed_softwall.  So fix this comment.
Signed-off-by: SeungHun Lee <waydi1@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/page_alloc.c

@@ -1896,7 +1896,7 @@ get_page_from_freelist(gfp_t gfp_mask, nodemask_t *nodemask, unsigned int order,
 zonelist_scan:
 	/*
 	 * Scan zonelist, looking for a zone with enough free.
-	 * See also cpuset_zone_allowed() comment in kernel/cpuset.c.
+	 * See also __cpuset_node_allowed_softwall() comment in kernel/cpuset.c.
 	 */
 	for_each_zone_zonelist_nodemask(zone, z, zonelist,
 						high_zoneidx, nodemask) {