+ mm-hugetlb-remove-struct-hstate-from-init_new_hugetlb_folio.patch added to mm-unstable branch

+ mm-hugetlb-remove-struct-hstate-from-init_new_hugetlb_folio.patch added to mm-unstable branch

[Andrew Morton]

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The patch titled
     Subject: mm: hugetlb: remove struct hstate from init_new_hugetlb_folio()
has been added to the -mm mm-unstable branch.  Its filename is
     mm-hugetlb-remove-struct-hstate-from-init_new_hugetlb_folio.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-hugetlb-remove-struct-hstate-from-init_new_hugetlb_folio.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: Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: mm: hugetlb: remove struct hstate from init_new_hugetlb_folio()
Date: Wed, 10 Sep 2025 21:39:57 +0800

The struct hstate is never used since commit d67e32f26713 ("hugetlb:
restructure pool allocations”), remove it.

Link: https://lkml.kernel.org/r/20250910133958.301467-5-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/hugetlb.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/mm/hugetlb.c~mm-hugetlb-remove-struct-hstate-from-init_new_hugetlb_folio
+++ a/mm/hugetlb.c
@@ -1896,7 +1896,7 @@ static void account_new_hugetlb_folio(st
 	h->nr_huge_pages_node[folio_nid(folio)]++;
 }
 
-static void init_new_hugetlb_folio(struct hstate *h, struct folio *folio)
+static void init_new_hugetlb_folio(struct folio *folio)
 {
 	__folio_set_hugetlb(folio);
 	INIT_LIST_HEAD(&folio->lru);
@@ -1985,7 +1985,7 @@ static struct folio *only_alloc_fresh_hu
 		folio = alloc_buddy_hugetlb_folio(order, gfp_mask, nid, nmask,
 						  node_alloc_noretry);
 	if (folio)
-		init_new_hugetlb_folio(h, folio);
+		init_new_hugetlb_folio(folio);
 	return folio;
 }
 
@@ -3408,7 +3408,7 @@ static void __init gather_bootmem_preall
 
 		hugetlb_folio_init_vmemmap(folio, h,
 					   HUGETLB_VMEMMAP_RESERVE_PAGES);
-		init_new_hugetlb_folio(h, folio);
+		init_new_hugetlb_folio(folio);
 
 		if (hugetlb_bootmem_page_prehvo(m))
 			/*
@@ -4041,7 +4041,7 @@ static long demote_free_hugetlb_folios(s
 			prep_compound_page(page, dst->order);
 
 			new_folio->mapping = NULL;
-			init_new_hugetlb_folio(dst, new_folio);
+			init_new_hugetlb_folio(new_folio);
 			/* Copy the CMA flag so that it is freed correctly */
 			if (cma)
 				folio_set_hugetlb_cma(new_folio);
_

Patches currently in -mm which might be from wangkefeng.wang@huawei.com are

mm-hugetlb-convert-to-use-more-alloc_fresh_hugetlb_folio.patch
mm-hugetlb-convert-to-account_new_hugetlb_folio.patch
mm-hugetlb-directly-pass-order-when-allocate-a-hugetlb-folio.patch
mm-hugetlb-remove-struct-hstate-from-init_new_hugetlb_folio.patch
mm-hugeltb-check-numa_no_node-in-only_alloc_fresh_hugetlb_folio.patch