diff options
| author | Minchan Kim <minchan@kernel.org> | 2012-08-01 01:46:16 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-08-01 03:42:50 +0200 |
| commit | 6527af5d1bea219d64095a5e30c1b1e0868aae16 (patch) | |
| tree | 99f36cf0b3744e5d7cdaf52c22a3e9897e17f7bb /mm | |
| parent | mm: warn if pg_data_t isn't initialized with zero (diff) | |
| download | linux-6527af5d1bea219d64095a5e30c1b1e0868aae16.tar.xz linux-6527af5d1bea219d64095a5e30c1b1e0868aae16.zip | |
mm: remove redundant initialization
pg_data_t is zeroed before reaching free_area_init_core(), so remove the
now unnecessary initializations.
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a6f7576aecae..889532b8e6c1 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4377,6 +4377,8 @@ void __init set_pageblock_order(void) * - mark all pages reserved * - mark all memory queues empty * - clear the memory bitmaps + * + * NOTE: pgdat should get zeroed by caller. */ static void __paginginit free_area_init_core(struct pglist_data *pgdat, unsigned long *zones_size, unsigned long *zholes_size) @@ -4387,10 +4389,8 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, int ret; pgdat_resize_init(pgdat); - pgdat->nr_zones = 0; init_waitqueue_head(&pgdat->kswapd_wait); init_waitqueue_head(&pgdat->pfmemalloc_wait); - pgdat->kswapd_max_order = 0; pgdat_page_cgroup_init(pgdat); for (j = 0; j < MAX_NR_ZONES; j++) { @@ -4451,11 +4451,6 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, zone_pcp_init(zone); lruvec_init(&zone->lruvec, zone); - zap_zone_vm_stats(zone); - zone->flags = 0; -#ifdef CONFIG_MEMORY_ISOLATION - zone->nr_pageblock_isolate = 0; -#endif if (!size) continue; |