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-rw-r--r--mm/page_alloc.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a6f7576..889532b 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;
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