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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 v5 12/13] powerpc/book3s64/radix: Remove mmu_vmemmap_psize
Date: Tue, 18 Jul 2023 07:59:32 +0530	[thread overview]
Message-ID: <20230718022934.90447-13-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20230718022934.90447-1-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 | 11 -----------
 arch/powerpc/mm/init_64.c                | 21 ++++++++++++++-------
 2 files changed, 14 insertions(+), 18 deletions(-)

diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index b492b67c0b7d..73d0987369ff 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -601,17 +601,6 @@ void __init radix__early_init_mmu(void)
 #else
 	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
 #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)
 {
-- 
2.41.0



  parent reply	other threads:[~2023-07-18  2:31 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-18  2:29 [PATCH v5 00/13] Add support for DAX vmemmap optimization for ppc64 Aneesh Kumar K.V
2023-07-18  2:29 ` [PATCH v5 01/13] mm/hugepage pud: Allow arch-specific helper function to check huge page pud support Aneesh Kumar K.V
2023-07-18  2:29 ` [PATCH v5 04/13] mm/vmemmap: Allow architectures to override how vmemmap optimization works Aneesh Kumar K.V
2023-07-18  2:29 ` [PATCH v5 05/13] mm: Add pud_same similar to __HAVE_ARCH_P4D_SAME Aneesh Kumar K.V
2023-07-18  2:29 ` [PATCH v5 07/13] mm/vmemmap optimization: Split hugetlb and devdax vmemmap optimization Aneesh Kumar K.V
2023-07-18  2:29 ` [PATCH v5 08/13] powerpc/mm/trace: Convert trace event to trace event class Aneesh Kumar K.V
2023-07-18  2:29 ` [PATCH v5 09/13] powerpc/book3s64/mm: Enable transparent pud hugepage Aneesh Kumar K.V
2023-07-18  2:29 ` [PATCH v5 10/13] powerpc/book3s64/vmemmap: Switch radix to use a different vmemmap handling function Aneesh Kumar K.V
2023-07-24 18:29   ` Aneesh Kumar K.V
2023-07-24 18:48     ` Andrew Morton
2023-07-18  2:29 ` [PATCH v5 11/13] powerpc/book3s64/radix: Add support for vmemmap optimization for radix Aneesh Kumar K.V
2023-07-18  2:29 ` Aneesh Kumar K.V [this message]
2023-07-18  2:29 ` [PATCH v5 13/13] powerpc/book3s64/radix: Add debug message to give more details of vmemmap allocation Aneesh Kumar K.V

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