+ powerpc-pmd_move_must_withdraw-is-only-needed-for-config_transparent_hugepage.patch added to mm-nonmm-unstable branch

+ powerpc-pmd_move_must_withdraw-is-only-needed-for-config_transparent_hugepage.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Date: Mon, 27 Nov 2023 13:08:57 +1100
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     powerpc-pmd_move_must_withdraw-is-only-needed-for-config_transparent_hugepage.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/powerpc-pmd_move_must_withdraw-is-only-needed-for-config_transparent_hugepage.patch

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

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------------------------------------------------------
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Mon, 27 Nov 2023 13:08:57 +1100
Subject: powerpc: pmd_move_must_withdraw() is only needed for CONFIG_TRANSPARENT_HUGEPAGE

This is required for the later patch "Makefile.extrawarn: turn on
missing-prototypes globally".

Link: https://lkml.kernel.org/r/20231127132809.45c2b398@canb.auug.org.au
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/powerpc/mm/book3s64/pgtable.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/powerpc/mm/book3s64/pgtable.c~powerpc-pmd_move_must_withdraw-is-only-needed-for-config_transparent_hugepage
+++ a/arch/powerpc/mm/book3s64/pgtable.c
@@ -542,6 +542,7 @@ void ptep_modify_prot_commit(struct vm_a
 	set_pte_at(vma->vm_mm, addr, ptep, pte);
 }
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
 /*
  * For hash translation mode, we use the deposited table to store hash slot
  * information and they are stored at PTRS_PER_PMD offset from related pmd
@@ -563,6 +564,7 @@ int pmd_move_must_withdraw(struct spinlo
 
 	return true;
 }
+#endif
 
 /*
  * Does the CPU support tlbie?
_

Patches currently in -mm which might be from sfr@canb.auug.org.au are

powerpc-pmd_move_must_withdraw-is-only-needed-for-config_transparent_hugepage.patch