The quilt patch titled
Subject: mm/hugetlb: remove redundant __ClearPageReserved
has been removed from the -mm tree. Its filename was
mm-hugetlb-remove-redundant-__clearpagereserved.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Frank van der Linden <fvdl@xxxxxxxxxx>
Subject: mm/hugetlb: remove redundant __ClearPageReserved
Date: Fri, 28 Feb 2025 18:29:06 +0000
In hugetlb_folio_init_tail_vmemmap, the reserved flag is cleared for the
tail page just before it is zeroed out, which is redundant. Remove the
__ClearPageReserved call.
Link: https://lkml.kernel.org/r/20250228182928.2645936-6-fvdl@xxxxxxxxxx
Signed-off-by: Frank van der Linden <fvdl@xxxxxxxxxx>
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Joao Martins <joao.m.martins@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Madhavan Srinivasan <maddy@xxxxxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Muchun Song <muchun.song@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Roman Gushchin (Cruise) <roman.gushchin@xxxxxxxxx>
Cc: Usama Arif <usamaarif642@xxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Cc: Yu Zhao <yuzhao@xxxxxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hugetlb.c | 1 -
1 file changed, 1 deletion(-)
--- a/mm/hugetlb.c~mm-hugetlb-remove-redundant-__clearpagereserved
+++ a/mm/hugetlb.c
@@ -3210,7 +3210,6 @@ static void __init hugetlb_folio_init_ta
for (pfn = head_pfn + start_page_number; pfn < end_pfn; pfn++) {
struct page *page = pfn_to_page(pfn);
- __ClearPageReserved(folio_page(folio, pfn - head_pfn));
__init_single_page(page, pfn, zone, nid);
prep_compound_tail((struct page *)folio, pfn - head_pfn);
ret = page_ref_freeze(page, 1);
_
Patches currently in -mm which might be from fvdl@xxxxxxxxxx are
