The patch titled
Subject: mm: use zonelist name instead of using hardcoded index
has been added to the -mm tree. Its filename is
mm-use-zonelist-name-instead-of-using-hardcoded-index.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-use-zonelist-name-instead-of-using-hardcoded-index.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-use-zonelist-name-instead-of-using-hardcoded-index.patch
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------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxxxxx
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mempolicy.c | 2 +-
mm/page_alloc.c | 8 ++++----
mm/vmscan.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)
diff -puN mm/mempolicy.c~mm-use-zonelist-name-instead-of-using-hardcoded-index mm/mempolicy.c
--- a/mm/mempolicy.c~mm-use-zonelist-name-instead-of-using-hardcoded-index
+++ a/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 -puN mm/page_alloc.c~mm-use-zonelist-name-instead-of-using-hardcoded-index mm/page_alloc.c
--- a/mm/page_alloc.c~mm-use-zonelist-name-instead-of-using-hardcoded-index
+++ a/mm/page_alloc.c
@@ -4574,7 +4574,7 @@ static void build_zonelists_in_node_orde
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_
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_orde
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 *p
local_node = pgdat->node_id;
- zonelist = &pgdat->node_zonelists[0];
+ zonelist = &pgdat->node_zonelists[ZONELIST_FALLBACK];
j = build_zonelists_node(pgdat, zonelist, 0);
/*
diff -puN mm/vmscan.c~mm-use-zonelist-name-instead-of-using-hardcoded-index mm/vmscan.c
--- a/mm/vmscan.c~mm-use-zonelist-name-instead-of-using-hardcoded-index
+++ a/mm/vmscan.c
@@ -3055,7 +3055,7 @@ unsigned long try_to_free_mem_cgroup_pag
*/
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,
_
Patches currently in -mm which might be from aneesh.kumar@xxxxxxxxxxxxxxxxxx are
mm-use-zonelist-name-instead-of-using-hardcoded-index.patch
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