Commit 86fb05b9 authored by Miaohe Lin's avatar Miaohe Lin Committed by Linus Torvalds
Browse files

mm/page_alloc.c: use helper function zone_spans_pfn() 

Use helper function zone_spans_pfn() to check whether pfn is within a
zone to simplify the code slightly.

Link: https://lkml.kernel.org/r/20210902121242.41607-5-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Acked-by: default avatarMel Gorman <mgorman@techsingularity.net>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7cba630b

mm/page_alloc.c

+1 −1
Original line number Diff line number Diff line
@@ -1583,7 +1583,7 @@ 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);