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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2016-10-07 16:59:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-07 18:46:28 -0700
commitc9634cf012321243ee8e4ea0fb0709904cd58395 (patch)
tree926815887c2fb79ba1d6988f9c10ee6b79a96ea6
parent1b51e65eab64fac72cab009691e8ca9915624876 (diff)
downloadlinux-c9634cf012321243ee8e4ea0fb0709904cd58395.tar.bz2
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: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/mempolicy.c2
-rw-r--r--mm/page_alloc.c8
-rw-r--r--mm/vmscan.c2
3 files changed, 6 insertions, 6 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 2da72a5b6ecc..ad1c96ac313c 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -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;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b0f133f2c655..f6a5a221496a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -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);
/*
diff --git a/mm/vmscan.c b/mm/vmscan.c
index d3715c1b2e36..744f926af442 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -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,