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mm/memory_hotplug: remove for_each_valid_pfn() usage

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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>
This commit is contained in:
David Hildenbrand (Arm) 2026-03-20 23:13:34 +01:00 committed by Andrew Morton
parent 89e69c7d18
commit 9d80de66a0
1 changed files with 2 additions and 2 deletions
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4
mm/memory_hotplug.c
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@ -1745,7 +1745,7 @@ static int scan_movable_pages(unsigned long start, unsigned long end,
{
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 long start_pfn, unsigned long end_pfn)
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);