Commit 8d9a2f5d authored by Wei Yang's avatar Wei Yang Committed by Andrew Morton
Browse files

mm/mm_init.c: use round_up() to align movable range 

Since MAX_ORDER_NR_PAGES is power of 2, let's use a faster version.

Link: https://lkml.kernel.org/r/20250207100453.9989-1-richard.weiyang@gmail.com


Signed-off-by: default avatarWei Yang <richard.weiyang@gmail.com>
Reviewed-by: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: default avatarMike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e92b6e7b

mm/mm_init.c

+2 −2
Original line number Diff line number Diff line
@@ -438,7 +438,7 @@ static void __init find_zone_movable_pfns_for_nodes(void) 
		 * was requested by the user

		 */

		required_movablecore =

			roundup(required_movablecore, MAX_ORDER_NR_PAGES);

			round_up(required_movablecore, MAX_ORDER_NR_PAGES);

		required_movablecore = min(totalpages, required_movablecore);

		corepages = totalpages - required_movablecore;
@@ -549,7 +549,7 @@ static void __init find_zone_movable_pfns_for_nodes(void) 
		unsigned long start_pfn, end_pfn;



		zone_movable_pfn[nid] =

			roundup(zone_movable_pfn[nid], MAX_ORDER_NR_PAGES);

			round_up(zone_movable_pfn[nid], MAX_ORDER_NR_PAGES);



		get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);

		if (zone_movable_pfn[nid] >= end_pfn)