[merged mm-stable] x86-mm-remove-config_have_bootmem_info_node.patch removed from -mm tree

The quilt patch titled
     Subject: x86/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE
has been removed from the -mm tree.  Its filename was
     x86-mm-remove-config_have_bootmem_info_node.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: x86/mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE
Date: Thu, 16 Jul 2026 16:51:06 +0200

CONFIG_HAVE_BOOTMEM_INFO_NODE now essentially doesn't do anything.

So let's remove support for CONFIG_HAVE_BOOTMEM_INFO_NODE.

Link: https://lore.kernel.org/[email protected]
Signed-off-by: David Hildenbrand (Arm) <[email protected]>
Reviewed-by: Mike Rapoport (Microsoft) <[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: Muchun Song <[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]>
---

 arch/x86/mm/init_64.c |   26 --------------------------
 mm/Kconfig            |    1 -
 2 files changed, 27 deletions(-)

--- a/arch/x86/mm/init_64.c~x86-mm-remove-config_have_bootmem_info_node
+++ a/arch/x86/mm/init_64.c
@@ -33,7 +33,6 @@
 #include <linux/nmi.h>
 #include <linux/gfp.h>
 #include <linux/kcore.h>
-#include <linux/bootmem_info.h>
 
 #include <asm/processor.h>
 #include <asm/bios_ebda.h>
@@ -1286,16 +1285,6 @@ void __ref arch_remove_memory(u64 start,
 
 static struct kcore_list kcore_vsyscall;
 
-static void __init register_page_bootmem_info(void)
-{
-#if defined(CONFIG_NUMA) || defined(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP)
-	int i;
-
-	for_each_online_node(i)
-		register_page_bootmem_info_node(NODE_DATA(i));
-#endif
-}
-
 /*
  * Pre-allocates page-table pages for the vmalloc area in the kernel page-table.
  * Only the level which needs to be synchronized between all page-tables is
@@ -1358,14 +1347,6 @@ void __init mem_init(void)
 	after_bootmem = 1;
 	x86_init.hyper.init_after_bootmem();
 
-	/*
-	 * Must be done after boot memory is put on freelist, because here we
-	 * might set fields in deferred struct pages that have not yet been
-	 * initialized, and memblock_free_all() initializes all the reserved
-	 * deferred pages for us.
-	 */
-	register_page_bootmem_info();
-
 	/* Register memory areas for /proc/kcore */
 	if (get_gate_vma(&init_mm))
 		kclist_add(&kcore_vsyscall, (void *)VSYSCALL_ADDR, PAGE_SIZE, KCORE_USER);
@@ -1564,13 +1545,6 @@ int __meminit vmemmap_populate(unsigned
 	return err;
 }
 
-#ifdef CONFIG_HAVE_BOOTMEM_INFO_NODE
-void register_page_bootmem_memmap(unsigned long section_nr,
-				  struct page *start_page, unsigned long nr_pages)
-{
-}
-#endif
-
 void __meminit vmemmap_populate_print_last(void)
 {
 	if (p_start) {
--- a/mm/Kconfig~x86-mm-remove-config_have_bootmem_info_node
+++ a/mm/Kconfig
@@ -590,7 +590,6 @@ endchoice
 
 config MEMORY_HOTREMOVE
 	bool "Allow for memory hot remove"
-	select HAVE_BOOTMEM_INFO_NODE if X86_64
 	depends on MEMORY_HOTPLUG
 	select MIGRATION
 
_

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