The patch titled
Subject: mm/mm_init.c: use round_up() to align movable range
has been added to the -mm mm-unstable branch. Its filename is
mm-mm_initc-use-round_up-to-align-movable-range.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mm_initc-use-round_up-to-align-movable-range.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: mm/mm_init.c: use round_up() to align movable range
Date: Fri, 7 Feb 2025 10:04:53 +0000
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@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Cc: "Mike Rapoport (IBM)" <rppt@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mm_init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/mm_init.c~mm-mm_initc-use-round_up-to-align-movable-range
+++ a/mm/mm_init.c
@@ -440,7 +440,7 @@ static void __init find_zone_movable_pfn
* 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;
@@ -551,7 +551,7 @@ out2:
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)
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
mm-mm_initc-use-round_up-to-align-movable-range.patch
