tree 1225c8ae0c5d85b40e386d860abcd24f44664633
parent c33d6c06f60f710f0305ae792773e1c2560e1e51
author Mel Gorman <mgorman@techsingularity.net> 1463703253 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1463710334 -0700

mm, page_alloc: remove field from alloc_context

The classzone_idx can be inferred from preferred_zoneref so remove the
unnecessary field and save stack space.

Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>