[PATCH v6 11/13 -fix] powerpc/book3s64/radix: Add support for vmemmap optimization for radix

[Aneesh Kumar K.V]

>From 9252360e483246e13e6bb28cd6773af2b99eeb55 Mon Sep 17 00:00:00 2001
From: "Aneesh Kumar K.V" <aneesh.kumar at linux.ibm.com>
Date: Wed, 26 Jul 2023 10:54:14 +0530
Subject: [PATCH] -next build fixup

Fix build error

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>
---
 arch/powerpc/include/asm/book3s/64/radix.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h
index 3195f268ed7f..357e23a403d3 100644
--- a/arch/powerpc/include/asm/book3s/64/radix.h
+++ b/arch/powerpc/include/asm/book3s/64/radix.h
@@ -364,8 +364,10 @@ int radix__remove_section_mapping(unsigned long start, unsigned long end);
 
 void radix__kernel_map_pages(struct page *page, int numpages, int enable);
 
+#ifdef CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
 #define vmemmap_can_optimize vmemmap_can_optimize
 bool vmemmap_can_optimize(struct vmem_altmap *altmap, struct dev_pagemap *pgmap);
+#endif
 
 #define vmemmap_populate_compound_pages vmemmap_populate_compound_pages
 int __meminit vmemmap_populate_compound_pages(unsigned long start_pfn,
-- 
2.41.0