while (page_vma_mapped_walk(&pvmw)) {
addr = pvmw.address;
if (pvmw.pte) {
- referenced = ptep_clear_young_notify(vma, addr,
- pvmw.pte);
+ /*
+ * For PTE-mapped THP, one sub page is referenced,
+ * the whole THP is referenced.
+ */
+ if (ptep_clear_young_notify(vma, addr, pvmw.pte))
+ referenced = true;
} else if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) {
- referenced = pmdp_clear_young_notify(vma, addr,
- pvmw.pmd);
+ if (pmdp_clear_young_notify(vma, addr, pvmw.pmd))
+ referenced = true;
} else {
/* unexpected pmd-mapped page? */
WARN_ON_ONCE(1);
end_pfn = pfn + count * BITS_PER_BYTE;
if (end_pfn > max_pfn)
- end_pfn = ALIGN(max_pfn, BITMAP_CHUNK_BITS);
+ end_pfn = max_pfn;
for (; pfn < end_pfn; pfn++) {
bit = pfn % BITMAP_CHUNK_BITS;
end_pfn = pfn + count * BITS_PER_BYTE;
if (end_pfn > max_pfn)
- end_pfn = ALIGN(max_pfn, BITMAP_CHUNK_BITS);
+ end_pfn = max_pfn;
for (; pfn < end_pfn; pfn++) {
bit = pfn % BITMAP_CHUNK_BITS;