Ensure huge_zero_folio won't have large_rmappable flag set. So it can be
reported as thp,zero correctly through stable_page_flags().
Fixes: 5691753d73a2 ("mm: convert huge_zero_page to huge_zero_folio")
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/huge_memory.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 2a73efea02d7..4e34b7f89daf 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -218,6 +218,8 @@ static bool get_huge_zero_page(void)
count_vm_event(THP_ZERO_PAGE_ALLOC_FAILED);
return false;
}
+ /* Ensure zero folio won't have large_rmappable flag set. */
+ folio_clear_large_rmappable(zero_folio);
preempt_disable();
if (cmpxchg(&huge_zero_folio, NULL, zero_folio)) {
preempt_enable();
--
2.33.0
