book3s64/radix: Fix compile errors when CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP=n

riteshharjani · maddy-kerneldev · commit 29bdc1f1c1df · 2025-04-15T11:30:37.000+05:30
Fix compile errors when CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP=n Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/8231763344223c193e3452eab0ae8ea966aff466.1741609795.git.donettom@linux.ibm.com
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -976,14 +976,15 @@ int __meminit radix__vmemmap_create_mapping(unsigned long start,
 	return 0;
 }
 
-
+#ifdef CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
 bool vmemmap_can_optimize(struct vmem_altmap *altmap, struct dev_pagemap *pgmap)
 {
 	if (radix_enabled())
 		return __vmemmap_can_optimize(altmap, pgmap);
 
 	return false;
 }
+#endif
 
 int __meminit vmemmap_check_pmd(pmd_t *pmdp, int node,
 				unsigned long addr, unsigned long next)

Original file line number	Diff line number	Diff line change
`@@ -976,14 +976,15 @@ int __meminit radix__vmemmap_create_mapping(unsigned long start,`
`976`	`976`	`return 0;`
`977`	`977`	`}`
`978`	`978`
`979`		`-`
	`979`	`+#ifdef CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP`
`980`	`980`	`bool vmemmap_can_optimize(struct vmem_altmap altmap, struct dev_pagemap pgmap)`
`981`	`981`	`{`
`982`	`982`	`if (radix_enabled())`
`983`	`983`	`return __vmemmap_can_optimize(altmap, pgmap);`
`984`	`984`
`985`	`985`	`return false;`
`986`	`986`	`}`
	`987`	`+#endif`
`987`	`988`
`988`	`989`	`int __meminit vmemmap_check_pmd(pmd_t *pmdp, int node,`
`989`	`990`	`unsigned long addr, unsigned long next)`