[PATCH v6 03/12] mm/debug_vm_pgtable: Use struct pgtable_debug_args in leaf and savewrite tests

From: Gavin Shan
Date: Mon Aug 09 2021 - 05:27:45 EST


This uses struct pgtable_debug_args in the leaf and savewrite test
functions.

Signed-off-by: Gavin Shan <gshan@xxxxxxxxxx>
Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
---
mm/debug_vm_pgtable.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index 64b5a76e0f6d..759316143a21 100644
--- a/mm/debug_vm_pgtable.c
+++ b/mm/debug_vm_pgtable.c
@@ -161,9 +161,9 @@ static void __init pte_advanced_tests(struct mm_struct *mm,
WARN_ON(pte_young(pte));
}

-static void __init pte_savedwrite_tests(unsigned long pfn, pgprot_t prot)
+static void __init pte_savedwrite_tests(struct pgtable_debug_args *args)
{
- pte_t pte = pfn_pte(pfn, prot);
+ pte_t pte = pfn_pte(args->fixed_pte_pfn, args->page_prot_none);

if (!IS_ENABLED(CONFIG_NUMA_BALANCING))
return;
@@ -262,7 +262,7 @@ static void __init pmd_advanced_tests(struct mm_struct *mm,
pgtable = pgtable_trans_huge_withdraw(mm, pmdp);
}

-static void __init pmd_leaf_tests(unsigned long pfn, pgprot_t prot)
+static void __init pmd_leaf_tests(struct pgtable_debug_args *args)
{
pmd_t pmd;

@@ -270,7 +270,7 @@ static void __init pmd_leaf_tests(unsigned long pfn, pgprot_t prot)
return;

pr_debug("Validating PMD leaf\n");
- pmd = pfn_pmd(pfn, prot);
+ pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot);

/*
* PMD based THP is a leaf entry.
@@ -279,7 +279,7 @@ static void __init pmd_leaf_tests(unsigned long pfn, pgprot_t prot)
WARN_ON(!pmd_leaf(pmd));
}

-static void __init pmd_savedwrite_tests(unsigned long pfn, pgprot_t prot)
+static void __init pmd_savedwrite_tests(struct pgtable_debug_args *args)
{
pmd_t pmd;

@@ -290,7 +290,7 @@ static void __init pmd_savedwrite_tests(unsigned long pfn, pgprot_t prot)
return;

pr_debug("Validating PMD saved write\n");
- pmd = pfn_pmd(pfn, prot);
+ pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot_none);
WARN_ON(!pmd_savedwrite(pmd_mk_savedwrite(pmd_clear_savedwrite(pmd))));
WARN_ON(pmd_savedwrite(pmd_clear_savedwrite(pmd_mk_savedwrite(pmd))));
}
@@ -388,7 +388,7 @@ static void __init pud_advanced_tests(struct mm_struct *mm,
pudp_huge_get_and_clear(mm, vaddr, pudp);
}

-static void __init pud_leaf_tests(unsigned long pfn, pgprot_t prot)
+static void __init pud_leaf_tests(struct pgtable_debug_args *args)
{
pud_t pud;

@@ -396,7 +396,7 @@ static void __init pud_leaf_tests(unsigned long pfn, pgprot_t prot)
return;

pr_debug("Validating PUD leaf\n");
- pud = pfn_pud(pfn, prot);
+ pud = pfn_pud(args->fixed_pud_pfn, args->page_prot);
/*
* PUD based THP is a leaf entry.
*/
@@ -411,7 +411,7 @@ static void __init pud_advanced_tests(struct mm_struct *mm,
pgprot_t prot)
{
}
-static void __init pud_leaf_tests(unsigned long pfn, pgprot_t prot) { }
+static void __init pud_leaf_tests(struct pgtable_debug_args *args) { }
#endif /* CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD */
#else /* !CONFIG_TRANSPARENT_HUGEPAGE */
static void __init pmd_basic_tests(struct pgtable_debug_args *args, int idx) { }
@@ -428,9 +428,9 @@ static void __init pud_advanced_tests(struct mm_struct *mm,
pgprot_t prot)
{
}
-static void __init pmd_leaf_tests(unsigned long pfn, pgprot_t prot) { }
-static void __init pud_leaf_tests(unsigned long pfn, pgprot_t prot) { }
-static void __init pmd_savedwrite_tests(unsigned long pfn, pgprot_t prot) { }
+static void __init pmd_leaf_tests(struct pgtable_debug_args *args) { }
+static void __init pud_leaf_tests(struct pgtable_debug_args *args) { }
+static void __init pmd_savedwrite_tests(struct pgtable_debug_args *args) { }
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */

#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
@@ -1321,11 +1321,11 @@ static int __init debug_vm_pgtable(void)
p4d_basic_tests(&args);
pgd_basic_tests(&args);

- pmd_leaf_tests(pmd_aligned, prot);
- pud_leaf_tests(pud_aligned, prot);
+ pmd_leaf_tests(&args);
+ pud_leaf_tests(&args);

- pte_savedwrite_tests(pte_aligned, protnone);
- pmd_savedwrite_tests(pmd_aligned, protnone);
+ pte_savedwrite_tests(&args);
+ pmd_savedwrite_tests(&args);

pte_special_tests(pte_aligned, prot);
pte_protnone_tests(pte_aligned, protnone);
--
2.23.0