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Commit c9634cf0 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Linus Torvalds
Browse files

mm: use zonelist name instead of using hardcoded index 

Use the existing enums instead of hardcoded index when looking at the
zonelist.  This makes it more readable.  No functionality change by this
patch.

Link: http://lkml.kernel.org/r/1472227078-24852-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com


Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: default avatarAnshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1b51e65e

mm/mempolicy.c

+1 −1
Original line number Diff line number Diff line
@@ -1749,7 +1749,7 @@ unsigned int mempolicy_slab_node(void) 
		 */

		struct zonelist *zonelist;

		enum zone_type highest_zoneidx = gfp_zone(GFP_KERNEL);

		zonelist = &NODE_DATA(node)->node_zonelists[0];

		zonelist = &NODE_DATA(node)->node_zonelists[ZONELIST_FALLBACK];

		z = first_zones_zonelist(zonelist, highest_zoneidx,

							&policy->v.nodes);

		return z->zone ? z->zone->node : node;

mm/page_alloc.c

+4 −4
Original line number Diff line number Diff line
@@ -4574,7 +4574,7 @@ static void build_zonelists_in_node_order(pg_data_t *pgdat, int node) 
	int j;

	struct zonelist *zonelist;



	zonelist = &pgdat->node_zonelists[0];

	zonelist = &pgdat->node_zonelists[ZONELIST_FALLBACK];

	for (j = 0; zonelist->_zonerefs[j].zone != NULL; j++)

		;

	j = build_zonelists_node(NODE_DATA(node), zonelist, j);
@@ -4590,7 +4590,7 @@ static void build_thisnode_zonelists(pg_data_t *pgdat) 
	int j;

	struct zonelist *zonelist;



	zonelist = &pgdat->node_zonelists[1];

	zonelist = &pgdat->node_zonelists[ZONELIST_NOFALLBACK];

	j = build_zonelists_node(pgdat, zonelist, 0);

	zonelist->_zonerefs[j].zone = NULL;

	zonelist->_zonerefs[j].zone_idx = 0;
@@ -4611,7 +4611,7 @@ static void build_zonelists_in_zone_order(pg_data_t *pgdat, int nr_nodes) 
	struct zone *z;

	struct zonelist *zonelist;



	zonelist = &pgdat->node_zonelists[0];

	zonelist = &pgdat->node_zonelists[ZONELIST_FALLBACK];

	pos = 0;

	for (zone_type = MAX_NR_ZONES - 1; zone_type >= 0; zone_type--) {

		for (j = 0; j < nr_nodes; j++) {
@@ -4746,7 +4746,7 @@ static void build_zonelists(pg_data_t *pgdat) 


	local_node = pgdat->node_id;



	zonelist = &pgdat->node_zonelists[0];

	zonelist = &pgdat->node_zonelists[ZONELIST_FALLBACK];

	j = build_zonelists_node(pgdat, zonelist, 0);



	/*

mm/vmscan.c

+1 −1
Original line number Diff line number Diff line
@@ -3036,7 +3036,7 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *memcg, 
	 */

	nid = mem_cgroup_select_victim_node(memcg);



	zonelist = NODE_DATA(nid)->node_zonelists;

	zonelist = &NODE_DATA(nid)->node_zonelists[ZONELIST_FALLBACK];



	trace_mm_vmscan_memcg_reclaim_begin(0,

					    sc.may_writepage,