mm/page_alloc.c: remove zone_type argument of build_zonelists_node
The callers of build_zonelists_node always pass MAX_NR_ZONES -1 as the zone_type argument, so we can directly use the value in build_zonelists_node and remove zone_type argument. Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.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>
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@ -3153,12 +3153,10 @@ static void zoneref_set_zone(struct zone *zone, struct zoneref *zoneref)
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* Add all populated zones of a node to the zonelist.
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*/
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static int build_zonelists_node(pg_data_t *pgdat, struct zonelist *zonelist,
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int nr_zones, enum zone_type zone_type)
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int nr_zones)
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{
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struct zone *zone;
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BUG_ON(zone_type >= MAX_NR_ZONES);
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zone_type++;
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enum zone_type zone_type = MAX_NR_ZONES;
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do {
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zone_type--;
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@ -3168,8 +3166,8 @@ static int build_zonelists_node(pg_data_t *pgdat, struct zonelist *zonelist,
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&zonelist->_zonerefs[nr_zones++]);
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check_highest_zone(zone_type);
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}
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} while (zone_type);
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return nr_zones;
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}
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@ -3363,8 +3361,7 @@ static void build_zonelists_in_node_order(pg_data_t *pgdat, int node)
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zonelist = &pgdat->node_zonelists[0];
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for (j = 0; zonelist->_zonerefs[j].zone != NULL; j++)
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;
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j = build_zonelists_node(NODE_DATA(node), zonelist, j,
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MAX_NR_ZONES - 1);
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j = build_zonelists_node(NODE_DATA(node), zonelist, j);
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zonelist->_zonerefs[j].zone = NULL;
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zonelist->_zonerefs[j].zone_idx = 0;
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}
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@ -3378,7 +3375,7 @@ static void build_thisnode_zonelists(pg_data_t *pgdat)
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struct zonelist *zonelist;
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zonelist = &pgdat->node_zonelists[1];
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j = build_zonelists_node(pgdat, zonelist, 0, MAX_NR_ZONES - 1);
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j = build_zonelists_node(pgdat, zonelist, 0);
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zonelist->_zonerefs[j].zone = NULL;
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zonelist->_zonerefs[j].zone_idx = 0;
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}
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@ -3586,7 +3583,7 @@ static void build_zonelists(pg_data_t *pgdat)
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local_node = pgdat->node_id;
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zonelist = &pgdat->node_zonelists[0];
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j = build_zonelists_node(pgdat, zonelist, 0, MAX_NR_ZONES - 1);
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j = build_zonelists_node(pgdat, zonelist, 0);
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/*
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* Now we build the zonelist so that it contains the zones
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@ -3599,14 +3596,12 @@ static void build_zonelists(pg_data_t *pgdat)
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for (node = local_node + 1; node < MAX_NUMNODES; node++) {
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if (!node_online(node))
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continue;
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j = build_zonelists_node(NODE_DATA(node), zonelist, j,
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MAX_NR_ZONES - 1);
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j = build_zonelists_node(NODE_DATA(node), zonelist, j);
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}
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for (node = 0; node < local_node; node++) {
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if (!node_online(node))
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continue;
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j = build_zonelists_node(NODE_DATA(node), zonelist, j,
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MAX_NR_ZONES - 1);
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j = build_zonelists_node(NODE_DATA(node), zonelist, j);
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}
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zonelist->_zonerefs[j].zone = NULL;
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