From 93ea9964d14ad583492ffb9ab7543f015876aaf2 Mon Sep 17 00:00:00 2001 From: Mel Gorman Date: Thu, 19 May 2016 17:14:13 -0700 Subject: 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 Cc: Vlastimil Babka Cc: Jesper Dangaard Brouer Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/compaction.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'mm/compaction.c') diff --git a/mm/compaction.c b/mm/compaction.c index 8f339ca25621..eda3c2244f30 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -1602,7 +1602,7 @@ unsigned long try_to_compact_pages(gfp_t gfp_mask, unsigned int order, status = compact_zone_order(zone, order, gfp_mask, mode, &zone_contended, alloc_flags, - ac->classzone_idx); + ac_classzone_idx(ac)); rc = max(status, rc); /* * It takes at least one zone that wasn't lock contended @@ -1612,7 +1612,7 @@ unsigned long try_to_compact_pages(gfp_t gfp_mask, unsigned int order, /* If a normal allocation would succeed, stop compacting */ if (zone_watermark_ok(zone, order, low_wmark_pages(zone), - ac->classzone_idx, alloc_flags)) { + ac_classzone_idx(ac), alloc_flags)) { /* * We think the allocation will succeed in this zone, * but it is not certain, hence the false. The caller -- cgit v1.2.3