Messages in this thread Patch in this message | | | From | Miaohe Lin <> | Subject | [PATCH 4/6] mm/page_alloc.c: use helper function zone_spans_pfn() | Date | Mon, 30 Aug 2021 22:10:49 +0800 |
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Use helper function zone_spans_pfn() to check whether pfn is within a zone to simplify the code slightly.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index b5edcfe112aa..7bb79e959ab4 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1576,7 +1576,7 @@ static void __meminit init_reserved_page(unsigned long pfn) for (zid = 0; zid < MAX_NR_ZONES; zid++) { struct zone *zone = &pgdat->node_zones[zid]; - if (pfn >= zone->zone_start_pfn && pfn < zone_end_pfn(zone)) + if (zone_spans_pfn(zone, pfn)) break; } __init_single_page(pfn_to_page(pfn), pfn, zid, nid); -- 2.23.0
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