[PATCH] x86/mm: dynamic memory layout declarations

[Dmitrii Bundin]

The declarations page_offset_base, vmalloc_base and vmemmap_base makes
sense only if CONFIG_DYNAMIC_MEMORY_LAYOUT is enabled. Hides the
declarations behind a conditional macro checking the option.

Signed-off-by: Dmitrii Bundin <dmitrii.bundin.a@xxxxxxxxx>
---
 arch/x86/include/asm/page_64.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h
index baa70451b8df..2968b3644912 100644
--- a/arch/x86/include/asm/page_64.h
+++ b/arch/x86/include/asm/page_64.h
@@ -12,9 +12,11 @@
 extern unsigned long max_pfn;
 extern unsigned long phys_base;
 
+#ifdef CONFIG_DYNAMIC_MEMORY_LAYOUT
 extern unsigned long page_offset_base;
 extern unsigned long vmalloc_base;
 extern unsigned long vmemmap_base;
+#endif /* CONFIG_DYNAMIC_MEMORY_LAYOUT */
 
 static __always_inline unsigned long __phys_addr_nodebug(unsigned long x)
 {
-- 
2.17.1