diff options
| author | Anshuman Khandual <anshuman.khandual@arm.com> | 2025-10-07 07:31:00 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-11-16 17:27:56 -0800 |
| commit | c0efdb373c3aaacb32db59cadb0710cac13e44ae (patch) | |
| tree | bbcef6d33668043fa8d5cd74542bf3a17d5efbcd /mm/sparse-vmemmap.c | |
| parent | bda7bf06840d4eb133abefa5a2fd75544277bd86 (diff) | |
mm: replace READ_ONCE() with standard page table accessors
Replace all READ_ONCE() with a standard page table accessors i.e
pxdp_get() that defaults into READ_ONCE() in cases where platform does not
override.
Link: https://lkml.kernel.org/r/20251007063100.2396936-1-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lance Yang <lance.yang@linux.dev>
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/sparse-vmemmap.c')
| -rw-r--r-- | mm/sparse-vmemmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c index dbd8daccade2..37522d6cb398 100644 --- a/mm/sparse-vmemmap.c +++ b/mm/sparse-vmemmap.c @@ -439,7 +439,7 @@ int __meminit vmemmap_populate_hugepages(unsigned long start, unsigned long end, return -ENOMEM; pmd = pmd_offset(pud, addr); - if (pmd_none(READ_ONCE(*pmd))) { + if (pmd_none(pmdp_get(pmd))) { void *p; p = vmemmap_alloc_block_buf(PMD_SIZE, node, altmap); |