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

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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: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Wei Yang
2025-02-07 10:04:53 +00:00
committed by Andrew Morton
parent e92b6e7bb6
commit 8d9a2f5d8a
1 changed files with 2 additions and 2 deletions
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4
mm/mm_init.c
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@@ -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)