[merged mm-stable] mm-memory_hotplug-remove-for_each_valid_pfn-usage.patch removed from -mm tree

[merged mm-stable] mm-memory_hotplug-remove-for_each_valid_pfn-usage.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/memory_hotplug: remove for_each_valid_pfn() usage
has been removed from the -mm tree.  Its filename was
     mm-memory_hotplug-remove-for_each_valid_pfn-usage.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)" <david@kernel.org>
Subject: mm/memory_hotplug: remove for_each_valid_pfn() usage
Date: Fri, 20 Mar 2026 23:13:34 +0100

When offlining memory, we know that the memory range has no holes. 
Checking for valid pfns is not required.

Link: https://lkml.kernel.org/r/20260320-sparsemem_cleanups-v2-2-096addc8800d@kernel.org
Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Xu <weixugc@google.com>
Cc: Yuanchu Xie <yuanchu@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory_hotplug.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/memory_hotplug.c~mm-memory_hotplug-remove-for_each_valid_pfn-usage
+++ a/mm/memory_hotplug.c
@@ -1745,7 +1745,7 @@ static int scan_movable_pages(unsigned l
 {
 	unsigned long pfn;
 
-	for_each_valid_pfn(pfn, start, end) {
+	for (pfn = start; pfn < end; pfn++) {
 		unsigned long nr_pages;
 		struct page *page;
 		struct folio *folio;
@@ -1795,7 +1795,7 @@ static void do_migrate_range(unsigned lo
 	static DEFINE_RATELIMIT_STATE(migrate_rs, DEFAULT_RATELIMIT_INTERVAL,
 				      DEFAULT_RATELIMIT_BURST);
 
-	for_each_valid_pfn(pfn, start_pfn, end_pfn) {
+	for (pfn = start_pfn; pfn < end_pfn; pfn++) {
 		struct page *page;
 
 		page = pfn_to_page(pfn);
_

Patches currently in -mm which might be from david@kernel.org are