From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
Anshuman Khandual <anshuman.khandual@arm.com>
Subject: [PATCH v2 04/13] mm/debug_vm_pgtables/hugevmap: Use the arch helper to identify huge vmap support.
Date: Wed, 19 Aug 2020 18:30:58 +0530 [thread overview]
Message-ID: <20200819130107.478414-5-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20200819130107.478414-1-aneesh.kumar@linux.ibm.com>
ppc64 supports huge vmap only with radix translation. Hence use arch helper
to determine the huge vmap support.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
include/linux/io.h | 12 ++++++++++++
mm/debug_vm_pgtable.c | 4 ++--
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/include/linux/io.h b/include/linux/io.h
index 8394c56babc2..0b1ecda0cc86 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -38,6 +38,18 @@ int arch_ioremap_pud_supported(void);
int arch_ioremap_pmd_supported(void);
#else
static inline void ioremap_huge_init(void) { }
+static inline int arch_ioremap_p4d_supported(void)
+{
+ return false;
+}
+static inline int arch_ioremap_pud_supported(void)
+{
+ return false;
+}
+static inline int arch_ioremap_pmd_supported(void)
+{
+ return false;
+}
#endif
/*
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index 57259e2dbd17..cf3c4792b4a2 100644
--- a/mm/debug_vm_pgtable.c
+++ b/mm/debug_vm_pgtable.c
@@ -206,7 +206,7 @@ static void __init pmd_huge_tests(pmd_t *pmdp, unsigned long pfn, pgprot_t prot)
{
pmd_t pmd;
- if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP))
+ if (!arch_ioremap_pmd_supported())
return;
pr_debug("Validating PMD huge\n");
@@ -320,7 +320,7 @@ static void __init pud_huge_tests(pud_t *pudp, unsigned long pfn, pgprot_t prot)
{
pud_t pud;
- if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP))
+ if (!arch_ioremap_pud_supported())
return;
pr_debug("Validating PUD huge\n");
--
2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org,
Anshuman Khandual <anshuman.khandual@arm.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH v2 04/13] mm/debug_vm_pgtables/hugevmap: Use the arch helper to identify huge vmap support.
Date: Wed, 19 Aug 2020 18:30:58 +0530 [thread overview]
Message-ID: <20200819130107.478414-5-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20200819130107.478414-1-aneesh.kumar@linux.ibm.com>
ppc64 supports huge vmap only with radix translation. Hence use arch helper
to determine the huge vmap support.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
include/linux/io.h | 12 ++++++++++++
mm/debug_vm_pgtable.c | 4 ++--
2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/include/linux/io.h b/include/linux/io.h
index 8394c56babc2..0b1ecda0cc86 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -38,6 +38,18 @@ int arch_ioremap_pud_supported(void);
int arch_ioremap_pmd_supported(void);
#else
static inline void ioremap_huge_init(void) { }
+static inline int arch_ioremap_p4d_supported(void)
+{
+ return false;
+}
+static inline int arch_ioremap_pud_supported(void)
+{
+ return false;
+}
+static inline int arch_ioremap_pmd_supported(void)
+{
+ return false;
+}
#endif
/*
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index 57259e2dbd17..cf3c4792b4a2 100644
--- a/mm/debug_vm_pgtable.c
+++ b/mm/debug_vm_pgtable.c
@@ -206,7 +206,7 @@ static void __init pmd_huge_tests(pmd_t *pmdp, unsigned long pfn, pgprot_t prot)
{
pmd_t pmd;
- if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP))
+ if (!arch_ioremap_pmd_supported())
return;
pr_debug("Validating PMD huge\n");
@@ -320,7 +320,7 @@ static void __init pud_huge_tests(pud_t *pudp, unsigned long pfn, pgprot_t prot)
{
pud_t pud;
- if (!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP))
+ if (!arch_ioremap_pud_supported())
return;
pr_debug("Validating PUD huge\n");
--
2.26.2
next prev parent reply other threads:[~2020-08-19 13:43 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-19 13:00 [PATCH v2 00/13] mm/debug_vm_pgtable fixes Aneesh Kumar K.V
2020-08-19 13:00 ` Aneesh Kumar K.V
2020-08-19 13:00 ` [PATCH v2 01/13] powerpc/mm: Add DEBUG_VM WARN for pmd_clear Aneesh Kumar K.V
2020-08-19 13:00 ` Aneesh Kumar K.V
2020-08-19 13:00 ` [PATCH v2 02/13] powerpc/mm: Move setting pte specific flags to pfn_pte Aneesh Kumar K.V
2020-08-19 13:00 ` Aneesh Kumar K.V
2020-08-19 13:00 ` [PATCH v2 03/13] mm/debug_vm_pgtable/ppc64: Avoid setting top bits in radom value Aneesh Kumar K.V
2020-08-19 13:00 ` Aneesh Kumar K.V
2020-08-19 13:00 ` Aneesh Kumar K.V [this message]
2020-08-19 13:00 ` [PATCH v2 04/13] mm/debug_vm_pgtables/hugevmap: Use the arch helper to identify huge vmap support Aneesh Kumar K.V
2020-08-19 16:29 ` kernel test robot
2020-08-19 16:29 ` kernel test robot
2020-08-19 16:29 ` kernel test robot
2020-08-20 5:31 ` Aneesh Kumar K.V
2020-08-20 5:31 ` Aneesh Kumar K.V
2020-08-21 8:38 ` Anshuman Khandual
2020-08-21 8:38 ` Anshuman Khandual
2020-08-19 13:00 ` [PATCH v2 05/13] mm/debug_vm_pgtable/savedwrite: Enable savedwrite test with CONFIG_NUMA_BALANCING Aneesh Kumar K.V
2020-08-19 13:00 ` Aneesh Kumar K.V
2020-08-19 13:01 ` [PATCH v2 06/13] mm/debug_vm_pgtable/THP: Mark the pte entry huge before using set_pmd/pud_at Aneesh Kumar K.V
2020-08-19 13:01 ` Aneesh Kumar K.V
2020-08-19 13:01 ` [PATCH v2 07/13] mm/debug_vm_pgtable/set_pte/pmd/pud: Don't use set_*_at to update an existing pte entry Aneesh Kumar K.V
2020-08-19 13:01 ` Aneesh Kumar K.V
2020-08-20 14:32 ` Christophe Leroy
2020-08-21 7:14 ` Aneesh Kumar K.V
2020-08-21 8:20 ` Anshuman Khandual
2020-08-19 13:01 ` [PATCH v2 08/13] mm/debug_vm_pgtable/thp: Use page table depost/withdraw with THP Aneesh Kumar K.V
2020-08-19 13:01 ` Aneesh Kumar K.V
2020-08-19 13:01 ` [PATCH v2 09/13] mm/debug_vm_pgtable/locks: Move non page table modifying test together Aneesh Kumar K.V
2020-08-19 13:01 ` Aneesh Kumar K.V
2020-08-19 13:01 ` [PATCH v2 10/13] mm/debug_vm_pgtable/locks: Take correct page table lock Aneesh Kumar K.V
2020-08-19 13:01 ` Aneesh Kumar K.V
2020-08-21 8:03 ` Anshuman Khandual
2020-08-21 8:03 ` Anshuman Khandual
2020-08-21 8:08 ` Aneesh Kumar K.V
2020-08-21 8:08 ` Aneesh Kumar K.V
2020-08-19 13:01 ` [PATCH v2 11/13] mm/debug_vm_pgtable/pmd_clear: Don't use pmd/pud_clear on pte entries Aneesh Kumar K.V
2020-08-19 13:01 ` Aneesh Kumar K.V
2020-08-19 13:01 ` [PATCH v2 12/13] mm/debug_vm_pgtable/hugetlb: Disable hugetlb test on ppc64 Aneesh Kumar K.V
2020-08-19 13:01 ` Aneesh Kumar K.V
2020-08-19 13:01 ` [PATCH v2 13/13] mm/debug_vm_pgtable: populate a pte entry before fetching it Aneesh Kumar K.V
2020-08-19 13:01 ` Aneesh Kumar K.V
2020-08-19 13:45 ` [PATCH v2 00/13] mm/debug_vm_pgtable fixes Aneesh Kumar K.V
2020-08-19 13:45 ` Aneesh Kumar K.V
2020-08-21 3:33 ` Anshuman Khandual
2020-08-21 3:33 ` Anshuman Khandual
2020-08-21 4:20 ` Anshuman Khandual
2020-08-21 4:20 ` Anshuman Khandual
2020-08-21 6:53 ` Aneesh Kumar K.V
2020-08-21 6:53 ` Aneesh Kumar K.V
2020-08-21 8:01 ` Anshuman Khandual
2020-08-21 8:01 ` Anshuman Khandual
2020-08-21 8:10 ` Aneesh Kumar K.V
2020-08-21 8:10 ` Aneesh Kumar K.V
2020-08-21 8:50 ` Aneesh Kumar K.V
2020-08-21 8:50 ` Aneesh Kumar K.V
2020-08-21 9:09 ` Anshuman Khandual
2020-08-21 9:09 ` Anshuman Khandual
2020-08-21 8:51 ` Anshuman Khandual
2020-08-21 8:51 ` Anshuman Khandual
2020-08-21 8:51 ` Anshuman Khandual
2020-08-21 8:51 ` Anshuman Khandual
2020-09-01 8:03 ` Christophe Leroy
2020-09-01 8:03 ` Christophe Leroy
2020-09-01 8:03 ` Christophe Leroy
2020-09-01 8:03 ` Christophe Leroy
2020-09-01 9:11 ` Anshuman Khandual
2020-09-01 9:11 ` Anshuman Khandual
2020-09-01 9:11 ` Anshuman Khandual
2020-09-01 9:11 ` Anshuman Khandual
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