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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-03 07:56:15 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-12-03 07:56:15 +0100
commit22fee7d3851314f8384c9d44233bb86a2862ed64 (patch)
treef080b7f8b8f4e24e3e349a4c45ce9463718716f8 /mm/page_alloc.c
parentb5570ca7c475bffbc5fc2e9af994dc6d249eb13e (diff)
parent2595646791c319cadfdbf271563aac97d0843dc7 (diff)
Merge 4.20-rc5 into char-misc-next
We need the fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6847177dc4a1..2ec9cc407216 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5813,8 +5813,10 @@ void __meminit init_currently_empty_zone(struct zone *zone,
unsigned long size)
{
struct pglist_data *pgdat = zone->zone_pgdat;
+ int zone_idx = zone_idx(zone) + 1;
- pgdat->nr_zones = zone_idx(zone) + 1;
+ if (zone_idx > pgdat->nr_zones)
+ pgdat->nr_zones = zone_idx;
zone->zone_start_pfn = zone_start_pfn;