powerpc/book3s64/radix: remove mmu_vmemmap_psize

This is not used by radix anymore.

[aneesh.kumar@linux.ibm.com: fix kernel build error]
Link: https://lkml.kernel.org/r/874jlowd0c.fsf@linux.ibm.com
Link: https://lkml.kernel.org/r/20230724190759.483013-13-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index c264e6a..955cf6b 100644 (file)
--- 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 af0c989..f793036 100644 (file)
--- 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)
+static 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)
 {