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mm/dirty: replace READ_ONCE() with pudp_get() 

Replace READ_ONCE() with a standard page table accessor i.e pudp_get() that
anyways defaults into READ_ONCE() in cases where platform does not override

Link: https://lkml.kernel.org/r/20251006055214.1845342-1-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: Lance Yang <lance.yang@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Anshuman Khandual 2025-10-06 06:52:14 +01:00 committed by Andrew Morton
parent 9ac09bb9fe
commit b4e53984f2
1 changed files with 1 additions and 1 deletions
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2
mm/mapping_dirty_helpers.c
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@ -149,7 +149,7 @@ static int wp_clean_pud_entry(pud_t *pud, unsigned long addr, unsigned long end,
struct mm_walk *walk) struct mm_walk *walk)
{ {
#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
pud_t pudval = READ_ONCE(*pud); pud_t pudval = pudp_get(pud);
/* Do not split a huge pud */ /* Do not split a huge pud */
if (pud_trans_huge(pudval)) { if (pud_trans_huge(pudval)) {