[merged mm-stable] mm-hugetlb_vmemmap-remove-bootmem_info-leftovers.patch removed from -mm tree

Andrew Morton <[email protected]> Tue, 04 Aug 2026 19:24:19 -0700
Newsgroups org.kernel.vger.mm-commits
Message-ID <[email protected]>
The quilt patch titled
     Subject: mm/hugetlb_vmemmap: remove bootmem_info leftovers
has been removed from the -mm tree.  Its filename was
     mm-hugetlb_vmemmap-remove-bootmem_info-leftovers.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: "David Hildenbrand (Arm)" <[email protected]>
Subject: mm/hugetlb_vmemmap: remove bootmem_info leftovers
Date: Thu, 16 Jul 2026 16:51:07 +0200

We never set CONFIG_HAVE_BOOTMEM_INFO_NODE, so we can just switch to
free_reserved_page() and drop the register_page_bootmem_memmap() call.

Link: https://lore.kernel.org/[email protected]
Signed-off-by: David Hildenbrand (Arm) <[email protected]>
Reviewed-by: Mike Rapoport (Microsoft) <[email protected]>
Reviewed-by: Muchun Song <[email protected]>
Reviewed-by: Dave Hansen <[email protected]>
Cc: Alexander Gordeev <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: "Borislav Petkov (AMD)" <[email protected]>
Cc: Brendan Jackman <[email protected]>
Cc: Brendan Jackman <[email protected]>
Cc: Christian Borntraeger <[email protected]>
Cc: Gerald Schaefer <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Liam R. Howlett <[email protected]>
Cc: Lorenzo Stoakes <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Oscar Salvador <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: Sven Schnelle <[email protected]>
Cc: Vasily Gorbik <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Cc: Zi Yan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---

 mm/hugetlb_vmemmap.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

--- a/mm/hugetlb_vmemmap.c~mm-hugetlb_vmemmap-remove-bootmem_info-leftovers
+++ a/mm/hugetlb_vmemmap.c
@@ -12,7 +12,6 @@
 
 #include <linux/pgtable.h>
 #include <linux/moduleparam.h>
-#include <linux/bootmem_info.h>
 #include <linux/mmdebug.h>
 #include <linux/pagewalk.h>
 #include <linux/pgalloc.h>
@@ -177,13 +176,13 @@ static int vmemmap_remap_range(unsigned
  * Free a vmemmap page. A vmemmap page can be allocated from the memblock
  * allocator or buddy allocator. If the PG_reserved flag is set, it means
  * that it allocated from the memblock allocator, just free it via the
- * free_bootmem_page(). Otherwise, use __free_page().
+ * free_reserved_page(). Otherwise, use __free_page().
  */
 static inline void free_vmemmap_page(struct page *page)
 {
 	if (PageReserved(page)) {
 		memmap_boot_pages_add(-1);
-		free_bootmem_page(page);
+		free_reserved_page(page);
 	} else {
 		memmap_pages_add(-1);
 		__free_page(page);
@@ -641,9 +640,6 @@ static void __hugetlb_vmemmap_optimize_f
 			epfn = spfn + hugetlb_vmemmap_size(h);
 			vmemmap_wrprotect_hvo(spfn, epfn, folio_nid(folio),
 					HUGETLB_VMEMMAP_RESERVE_SIZE);
-			register_page_bootmem_memmap(pfn_to_section_nr(folio_pfn(folio)),
-					&folio->page,
-					HUGETLB_VMEMMAP_RESERVE_PAGES);
 			continue;
 		}
 
_

Patches currently in -mm which might be from [email protected] are

mm-standardize-printing-for-pgtable-entries.patch
mm-gup-fix-always-draining-lru-caches-in-collect_longterm_unpinnable_folios.patch