Message ID | 20210727061401.592616-6-gshan@redhat.com (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | mm/debug_vm_pgtable: Enhancements | expand |
On 7/27/21 11:43 AM, Gavin Shan wrote: > This uses struct pgtable_debug_args in the soft_dirty and swap test > functions. > > Signed-off-by: Gavin Shan <gshan@redhat.com> > --- > mm/debug_vm_pgtable.c | 48 +++++++++++++++++++++---------------------- > 1 file changed, 23 insertions(+), 25 deletions(-) > > diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c > index 650e35656660..bc153cad9045 100644 > --- a/mm/debug_vm_pgtable.c > +++ b/mm/debug_vm_pgtable.c > @@ -752,9 +752,9 @@ static void __init pmd_devmap_tests(struct pgtable_debug_args *args) { } > static void __init pud_devmap_tests(struct pgtable_debug_args *args) { } > #endif /* CONFIG_ARCH_HAS_PTE_DEVMAP */ > > -static void __init pte_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > +static void __init pte_soft_dirty_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); > > if (!IS_ENABLED(CONFIG_MEM_SOFT_DIRTY)) > return; > @@ -764,9 +764,9 @@ static void __init pte_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > WARN_ON(pte_soft_dirty(pte_clear_soft_dirty(pte))); > } > > -static void __init pte_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > +static void __init pte_swap_soft_dirty_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); > > if (!IS_ENABLED(CONFIG_MEM_SOFT_DIRTY)) > return; > @@ -777,7 +777,7 @@ static void __init pte_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > } > > #ifdef CONFIG_TRANSPARENT_HUGEPAGE > -static void __init pmd_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > +static void __init pmd_soft_dirty_tests(struct pgtable_debug_args *args) > { > pmd_t pmd; > > @@ -788,12 +788,12 @@ static void __init pmd_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > return; > > pr_debug("Validating PMD soft dirty\n"); > - pmd = pfn_pmd(pfn, prot); > + pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot); > WARN_ON(!pmd_soft_dirty(pmd_mksoft_dirty(pmd))); > WARN_ON(pmd_soft_dirty(pmd_clear_soft_dirty(pmd))); > } > > -static void __init pmd_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > +static void __init pmd_swap_soft_dirty_tests(struct pgtable_debug_args *args) > { > pmd_t pmd; > > @@ -805,31 +805,29 @@ static void __init pmd_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > return; > > pr_debug("Validating PMD swap soft dirty\n"); > - pmd = pfn_pmd(pfn, prot); > + pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot); > WARN_ON(!pmd_swp_soft_dirty(pmd_swp_mksoft_dirty(pmd))); > WARN_ON(pmd_swp_soft_dirty(pmd_swp_clear_soft_dirty(pmd))); > } > #else /* !CONFIG_TRANSPARENT_HUGEPAGE */ > -static void __init pmd_soft_dirty_tests(unsigned long pfn, pgprot_t prot) { } > -static void __init pmd_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) > -{ > -} > +static void __init pmd_soft_dirty_tests(struct pgtable_debug_args *args) { } > +static void __init pmd_swap_soft_dirty_tests(struct pgtable_debug_args *args) { } > #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ > > -static void __init pte_swap_tests(unsigned long pfn, pgprot_t prot) > +static void __init pte_swap_tests(struct pgtable_debug_args *args) > { > swp_entry_t swp; > pte_t pte; > > pr_debug("Validating PTE swap\n"); > - pte = pfn_pte(pfn, prot); > + pte = pfn_pte(args->fixed_pte_pfn, args->page_prot); > swp = __pte_to_swp_entry(pte); > pte = __swp_entry_to_pte(swp); > - WARN_ON(pfn != pte_pfn(pte)); > + WARN_ON(args->fixed_pte_pfn != pte_pfn(pte)); > } > > #ifdef CONFIG_ARCH_ENABLE_THP_MIGRATION > -static void __init pmd_swap_tests(unsigned long pfn, pgprot_t prot) > +static void __init pmd_swap_tests(struct pgtable_debug_args *args) > { > swp_entry_t swp; > pmd_t pmd; > @@ -838,13 +836,13 @@ static void __init pmd_swap_tests(unsigned long pfn, pgprot_t prot) > return; > > pr_debug("Validating PMD swap\n"); > - pmd = pfn_pmd(pfn, prot); > + pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot); > swp = __pmd_to_swp_entry(pmd); > pmd = __swp_entry_to_pmd(swp); > - WARN_ON(pfn != pmd_pfn(pmd)); > + WARN_ON(args->fixed_pmd_pfn != pmd_pfn(pmd)); > } > #else /* !CONFIG_ARCH_ENABLE_THP_MIGRATION */ > -static void __init pmd_swap_tests(unsigned long pfn, pgprot_t prot) { } > +static void __init pmd_swap_tests(struct pgtable_debug_args *args) { } > #endif /* CONFIG_ARCH_ENABLE_THP_MIGRATION */ > > static void __init swap_migration_tests(void) > @@ -1339,13 +1337,13 @@ static int __init debug_vm_pgtable(void) > pmd_devmap_tests(&args); > pud_devmap_tests(&args); > > - pte_soft_dirty_tests(pte_aligned, prot); > - pmd_soft_dirty_tests(pmd_aligned, prot); > - pte_swap_soft_dirty_tests(pte_aligned, prot); > - pmd_swap_soft_dirty_tests(pmd_aligned, prot); > + pte_soft_dirty_tests(&args); > + pmd_soft_dirty_tests(&args); > + pte_swap_soft_dirty_tests(&args); > + pmd_swap_soft_dirty_tests(&args); > > - pte_swap_tests(pte_aligned, prot); > - pmd_swap_tests(pmd_aligned, prot); > + pte_swap_tests(&args); > + pmd_swap_tests(&args); > > swap_migration_tests(); > > Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index 650e35656660..bc153cad9045 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -752,9 +752,9 @@ static void __init pmd_devmap_tests(struct pgtable_debug_args *args) { } static void __init pud_devmap_tests(struct pgtable_debug_args *args) { } #endif /* CONFIG_ARCH_HAS_PTE_DEVMAP */ -static void __init pte_soft_dirty_tests(unsigned long pfn, pgprot_t prot) +static void __init pte_soft_dirty_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); if (!IS_ENABLED(CONFIG_MEM_SOFT_DIRTY)) return; @@ -764,9 +764,9 @@ static void __init pte_soft_dirty_tests(unsigned long pfn, pgprot_t prot) WARN_ON(pte_soft_dirty(pte_clear_soft_dirty(pte))); } -static void __init pte_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) +static void __init pte_swap_soft_dirty_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); if (!IS_ENABLED(CONFIG_MEM_SOFT_DIRTY)) return; @@ -777,7 +777,7 @@ static void __init pte_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) } #ifdef CONFIG_TRANSPARENT_HUGEPAGE -static void __init pmd_soft_dirty_tests(unsigned long pfn, pgprot_t prot) +static void __init pmd_soft_dirty_tests(struct pgtable_debug_args *args) { pmd_t pmd; @@ -788,12 +788,12 @@ static void __init pmd_soft_dirty_tests(unsigned long pfn, pgprot_t prot) return; pr_debug("Validating PMD soft dirty\n"); - pmd = pfn_pmd(pfn, prot); + pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot); WARN_ON(!pmd_soft_dirty(pmd_mksoft_dirty(pmd))); WARN_ON(pmd_soft_dirty(pmd_clear_soft_dirty(pmd))); } -static void __init pmd_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) +static void __init pmd_swap_soft_dirty_tests(struct pgtable_debug_args *args) { pmd_t pmd; @@ -805,31 +805,29 @@ static void __init pmd_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) return; pr_debug("Validating PMD swap soft dirty\n"); - pmd = pfn_pmd(pfn, prot); + pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot); WARN_ON(!pmd_swp_soft_dirty(pmd_swp_mksoft_dirty(pmd))); WARN_ON(pmd_swp_soft_dirty(pmd_swp_clear_soft_dirty(pmd))); } #else /* !CONFIG_TRANSPARENT_HUGEPAGE */ -static void __init pmd_soft_dirty_tests(unsigned long pfn, pgprot_t prot) { } -static void __init pmd_swap_soft_dirty_tests(unsigned long pfn, pgprot_t prot) -{ -} +static void __init pmd_soft_dirty_tests(struct pgtable_debug_args *args) { } +static void __init pmd_swap_soft_dirty_tests(struct pgtable_debug_args *args) { } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ -static void __init pte_swap_tests(unsigned long pfn, pgprot_t prot) +static void __init pte_swap_tests(struct pgtable_debug_args *args) { swp_entry_t swp; pte_t pte; pr_debug("Validating PTE swap\n"); - pte = pfn_pte(pfn, prot); + pte = pfn_pte(args->fixed_pte_pfn, args->page_prot); swp = __pte_to_swp_entry(pte); pte = __swp_entry_to_pte(swp); - WARN_ON(pfn != pte_pfn(pte)); + WARN_ON(args->fixed_pte_pfn != pte_pfn(pte)); } #ifdef CONFIG_ARCH_ENABLE_THP_MIGRATION -static void __init pmd_swap_tests(unsigned long pfn, pgprot_t prot) +static void __init pmd_swap_tests(struct pgtable_debug_args *args) { swp_entry_t swp; pmd_t pmd; @@ -838,13 +836,13 @@ static void __init pmd_swap_tests(unsigned long pfn, pgprot_t prot) return; pr_debug("Validating PMD swap\n"); - pmd = pfn_pmd(pfn, prot); + pmd = pfn_pmd(args->fixed_pmd_pfn, args->page_prot); swp = __pmd_to_swp_entry(pmd); pmd = __swp_entry_to_pmd(swp); - WARN_ON(pfn != pmd_pfn(pmd)); + WARN_ON(args->fixed_pmd_pfn != pmd_pfn(pmd)); } #else /* !CONFIG_ARCH_ENABLE_THP_MIGRATION */ -static void __init pmd_swap_tests(unsigned long pfn, pgprot_t prot) { } +static void __init pmd_swap_tests(struct pgtable_debug_args *args) { } #endif /* CONFIG_ARCH_ENABLE_THP_MIGRATION */ static void __init swap_migration_tests(void) @@ -1339,13 +1337,13 @@ static int __init debug_vm_pgtable(void) pmd_devmap_tests(&args); pud_devmap_tests(&args); - pte_soft_dirty_tests(pte_aligned, prot); - pmd_soft_dirty_tests(pmd_aligned, prot); - pte_swap_soft_dirty_tests(pte_aligned, prot); - pmd_swap_soft_dirty_tests(pmd_aligned, prot); + pte_soft_dirty_tests(&args); + pmd_soft_dirty_tests(&args); + pte_swap_soft_dirty_tests(&args); + pmd_swap_soft_dirty_tests(&args); - pte_swap_tests(pte_aligned, prot); - pmd_swap_tests(pmd_aligned, prot); + pte_swap_tests(&args); + pmd_swap_tests(&args); swap_migration_tests();
This uses struct pgtable_debug_args in the soft_dirty and swap test functions. Signed-off-by: Gavin Shan <gshan@redhat.com> --- mm/debug_vm_pgtable.c | 48 +++++++++++++++++++++---------------------- 1 file changed, 23 insertions(+), 25 deletions(-)