Saved write support was added to track the write bit of a pte after marking the pte protnone. This was done so that AUTONUMA can convert a write pte to protnone and still track the old write bit. When converting it back we set the pte write bit correctly thereby avoiding a write fault again. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> --- mm/debug_vm_pgtable.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index 3e112d0ba1b2..eea62d5e503b 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -1006,8 +1006,8 @@ static int __init debug_vm_pgtable(void) pud_leaf_tests(pud_aligned, prot); #ifdef CONFIG_NUMA_BALANCING - pte_savedwrite_tests(pte_aligned, prot); - pmd_savedwrite_tests(pmd_aligned, prot); + pte_savedwrite_tests(pte_aligned, protnone); + pmd_savedwrite_tests(pmd_aligned, protnone); #endif pte_special_tests(pte_aligned, prot); pte_protnone_tests(pte_aligned, protnone); -- 2.26.2
