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| author | Yaowei Bai <baiyaowei@cmss.chinamobile.com> | 2016-01-14 15:19:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-01-14 16:00:49 -0800 |
| commit | c00eb15a8914b8ba84032a36044a5aaf7f71709d (patch) | |
| tree | df9fd900dac20444f5e5b6780dba9b95a1bc7515 /mm/page_alloc.c | |
| parent | 06640290bfc6688062387f915c5df094e9872133 (diff) | |
| download | linux-c00eb15a8914b8ba84032a36044a5aaf7f71709d.tar.bz2 | |
mm/zonelist: enumerate zonelists array index
Hardcoding index to zonelists array in gfp_zonelist() is not a good
idea, let's enumerate it to improve readability.
No functional change.
[akpm@linux-foundation.org: coding-style fixes]
[akpm@linux-foundation.org: fix CONFIG_NUMA=n build]
[n-horiguchi@ah.jp.nec.com: fix warning in comparing enumerator]
Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 2f6d30db4c94..e40e702ce919 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4148,8 +4148,7 @@ static void set_zonelist_order(void) static void build_zonelists(pg_data_t *pgdat) { - int j, node, load; - enum zone_type i; + int i, node, load; nodemask_t used_mask; int local_node, prev_node; struct zonelist *zonelist; @@ -4169,7 +4168,7 @@ static void build_zonelists(pg_data_t *pgdat) nodes_clear(used_mask); memset(node_order, 0, sizeof(node_order)); - j = 0; + i = 0; while ((node = find_next_best_node(local_node, &used_mask)) >= 0) { /* @@ -4186,12 +4185,12 @@ static void build_zonelists(pg_data_t *pgdat) if (order == ZONELIST_ORDER_NODE) build_zonelists_in_node_order(pgdat, node); else - node_order[j++] = node; /* remember order */ + node_order[i++] = node; /* remember order */ } if (order == ZONELIST_ORDER_ZONE) { /* calculate node order -- i.e., DMA last! */ - build_zonelists_in_zone_order(pgdat, j); + build_zonelists_in_zone_order(pgdat, i); } build_thisnode_zonelists(pgdat); |