+ powerpc-book3s64-radix-remove-mmu_vmemmap_psize-fix.patch added to mm-unstable branch

+ powerpc-book3s64-radix-remove-mmu_vmemmap_psize-fix.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: powerpc/mm: fix kernel build error
has been added to the -mm mm-unstable branch.  Its filename is
     powerpc-book3s64-radix-remove-mmu_vmemmap_psize-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/powerpc-book3s64-radix-remove-mmu_vmemmap_psize-fix.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: powerpc/mm: fix kernel build error
Date: Fri, 28 Jul 2023 14:47:46 +0530

 arch/powerpc/mm/init_64.c:201:15: error: no previous prototype for function '__vmemmap_populate' [-Werror,-Wmissing-prototypes]
   int __meminit __vmemmap_populate(unsigned long start, unsigned long end, int node,
                 ^
   arch/powerpc/mm/init_64.c:201:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int __meminit __vmemmap_populate(unsigned long start, unsigned long end, int node,

Link: https://lkml.kernel.org/r/874jlowd0c.fsf@linux.ibm.com
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202307281617.OxcXz84j-lkp@intel.com/
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/powerpc/mm/init_64.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/powerpc/mm/init_64.c~powerpc-book3s64-radix-remove-mmu_vmemmap_psize-fix
+++ a/arch/powerpc/mm/init_64.c
@@ -198,8 +198,8 @@ bool altmap_cross_boundary(struct vmem_a
 	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;
_

Patches currently in -mm which might be from aneesh.kumar@linux.ibm.com are

mm-hugepage-pud-allow-arch-specific-helper-function-to-check-huge-page-pud-support.patch
mm-hugepage-pud-allow-arch-specific-helper-function-to-check-huge-page-pud-support-fix.patch
mm-change-pudp_huge_get_and_clear_full-take-vm_area_struct-as-arg.patch
mm-vmemmap-improve-vmemmap_can_optimize-and-allow-architectures-to-override.patch
mm-vmemmap-allow-architectures-to-override-how-vmemmap-optimization-works.patch
mm-add-pud_same-similar-to-__have_arch_p4d_same.patch
mm-huge-pud-use-transparent-huge-pud-helpers-only-with-config_transparent_hugepage.patch
mm-vmemmap-optimization-split-hugetlb-and-devdax-vmemmap-optimization.patch
powerpc-mm-trace-convert-trace-event-to-trace-event-class.patch
powerpc-book3s64-mm-enable-transparent-pud-hugepage.patch
powerpc-book3s64-vmemmap-switch-radix-to-use-a-different-vmemmap-handling-function.patch
powerpc-book3s64-vmemmap-switch-radix-to-use-a-different-vmemmap-handling-function-fix.patch
powerpc-book3s64-radix-add-support-for-vmemmap-optimization-for-radix.patch
powerpc-book3s64-radix-add-support-for-vmemmap-optimization-for-radix-fix.patch
powerpc-book3s64-radix-remove-mmu_vmemmap_psize.patch
powerpc-book3s64-radix-remove-mmu_vmemmap_psize-fix.patch
powerpc-book3s64-radix-add-debug-message-to-give-more-details-of-vmemmap-allocation.patch