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| author | Wolfram Sang <wsa@the-dreams.de> | 2018-12-11 20:58:20 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2018-12-11 20:58:20 +0100 |
| commit | 66693960f574aa830986e1603657af36423b24eb (patch) | |
| tree | 035aae54d64d79e514f95e18cc3dcf411a98c55e /mm/page_alloc.c | |
| parent | 3ca3f86f7f4856222a8b697d60d32717160a1a1b (diff) | |
| parent | 40e020c129cfc991e8ab4736d2665351ffd1468d (diff) | |
Merge tag 'v4.20-rc6' into i2c/for-5.0
Linux 4.20-rc6
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 4 |
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; |