From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org,
mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org,
npiggin@gmail.com, christophe.leroy@csgroup.eu
Cc: Oscar Salvador <osalvador@suse.de>,
Mike Kravetz <mike.kravetz@oracle.com>,
Dan Williams <dan.j.williams@intel.com>,
Joao Martins <joao.m.martins@oracle.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Muchun Song <muchun.song@linux.dev>,
Will Deacon <will@kernel.org>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH v2 16/16] powerpc/book3s64/radix: Remove mmu_vmemmap_psize
Date: Fri, 16 Jun 2023 16:38:26 +0530 [thread overview]
Message-ID: <20230616110826.344417-17-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20230616110826.344417-1-aneesh.kumar@linux.ibm.com>
This is not used by radix anymore.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
arch/powerpc/mm/book3s64/radix_pgtable.c | 10 ----------
arch/powerpc/mm/init_64.c | 21 ++++++++++++++-------
2 files changed, 14 insertions(+), 17 deletions(-)
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index f0527eebe012..d57b4f5d5cb3 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -601,16 +601,6 @@ void __init radix__early_init_mmu(void)
mmu_virtual_psize = MMU_PAGE_4K;
#endif
-#ifdef CONFIG_SPARSEMEM_VMEMMAP
- /* vmemmap mapping */
- if (mmu_psize_defs[MMU_PAGE_2M].shift) {
- /*
- * map vmemmap using 2M if available
- */
- mmu_vmemmap_psize = MMU_PAGE_2M;
- } else
- mmu_vmemmap_psize = mmu_virtual_psize;
-#endif
/*
* initialize page table size
*/
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index 5701faca39ef..6db7a063ba63 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -198,17 +198,12 @@ bool altmap_cross_boundary(struct vmem_altmap *altmap, unsigned long start,
return false;
}
-int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
- struct vmem_altmap *altmap)
+int __meminit __vmemmap_populate(unsigned long start, unsigned long end, int node,
+ struct vmem_altmap *altmap)
{
bool altmap_alloc;
unsigned long page_size = 1 << mmu_psize_defs[mmu_vmemmap_psize].shift;
-#ifdef CONFIG_PPC_BOOK3S_64
- if (radix_enabled())
- return radix__vmemmap_populate(start, end, node, altmap);
-#endif
-
/* Align to the page size of the linear mapping. */
start = ALIGN_DOWN(start, page_size);
@@ -277,6 +272,18 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
return 0;
}
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
+ struct vmem_altmap *altmap)
+{
+
+#ifdef CONFIG_PPC_BOOK3S_64
+ if (radix_enabled())
+ return radix__vmemmap_populate(start, end, node, altmap);
+#endif
+
+ return __vmemmap_populate(start, end, node, altmap);
+}
+
#ifdef CONFIG_MEMORY_HOTPLUG
static unsigned long vmemmap_list_free(unsigned long start)
{
--
2.40.1
next prev parent reply other threads:[~2023-06-16 11:10 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-16 11:08 [PATCH v2 00/16] Add support for DAX vmemmap optimization for ppc64 Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 01/16] powerpc/mm/book3s64: Use pmdp_ptep helper instead of typecasting Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 02/16] powerpc/book3s64/mm: mmu_vmemmap_psize is used by radix Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 03/16] powerpc/book3s64/mm: Fix DirectMap stats in /proc/meminfo Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 04/16] powerpc/book3s64/mm: Use PAGE_KERNEL instead of opencoding Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 05/16] powerpc/mm/dax: Fix the condition when checking if altmap vmemap can cross-boundary Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 06/16] mm/hugepage pud: Allow arch-specific helper function to check huge page pud support Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 07/16] mm: Change pudp_huge_get_and_clear_full take vm_area_struct as arg Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 08/16] mm/vmemmap: Improve vmemmap_can_optimize and allow architectures to override Aneesh Kumar K.V
2023-06-20 11:53 ` Joao Martins
2023-06-20 14:29 ` Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 09/16] mm/vmemmap: Allow architectures to override how vmemmap optimization works Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 10/16] mm: Add __HAVE_ARCH_PUD_SAME similar to __HAVE_ARCH_P4D_SAME Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 11/16] mm/huge pud: Use transparent huge pud helpers only with CONFIG_TRANSPARENT_HUGEPAGE Aneesh Kumar K.V
2023-06-16 11:08 ` [PATCH v2 12/16] mm/vmemmap optimization: Split hugetlb and devdax vmemmap optimization Aneesh Kumar K.V
2023-06-28 1:09 ` Ritesh Harjani
2023-06-28 3:01 ` Aneesh Kumar K V
2023-06-16 11:08 ` [PATCH v2 13/16] powerpc/book3s64/mm: Enable transparent pud hugepage Aneesh Kumar K.V
2023-06-28 1:23 ` Ritesh Harjani
2023-06-28 3:32 ` Aneesh Kumar K V
2023-06-16 11:08 ` [PATCH v2 14/16] powerpc/book3s64/vmemmap: Switch radix to use a different vmemmap handling function Aneesh Kumar K.V
2023-06-28 1:33 ` Ritesh Harjani
2023-06-28 3:37 ` Aneesh Kumar K V
2023-06-16 11:08 ` [PATCH v2 15/16] powerpc/book3s64/radix: Add support for vmemmap optimization for radix Aneesh Kumar K.V
2023-06-16 11:08 ` Aneesh Kumar K.V [this message]
2023-06-18 11:54 ` [PATCH v2 00/16] Add support for DAX vmemmap optimization for ppc64 Sachin Sant
2023-06-24 14:52 ` Aneesh Kumar K.V
2023-06-24 17:22 ` Andrew Morton
2023-07-03 5:26 ` (subset) " Michael Ellerman
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