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Diffstat (limited to 'arch/powerpc/include/asm/mmu.h')
-rw-r--r--arch/powerpc/include/asm/mmu.h15
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 38d21adfde40..d86c5641bd97 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -349,21 +349,6 @@ static inline bool strict_kernel_rwx_enabled(void)
*/
#define MMU_PAGE_COUNT 16
-/*
- * If we store section details in page->flags we can't increase the MAX_PHYSMEM_BITS
- * if we increase SECTIONS_WIDTH we will not store node details in page->flags and
- * page_to_nid does a page->section->node lookup
- * Hence only increase for VMEMMAP. Further depending on SPARSEMEM_EXTREME reduce
- * memory requirements with large number of sections.
- * 51 bits is the max physical real address on POWER9
- */
-#if defined(CONFIG_SPARSEMEM_VMEMMAP) && defined(CONFIG_SPARSEMEM_EXTREME) && \
- defined (CONFIG_PPC_64K_PAGES)
-#define MAX_PHYSMEM_BITS 51
-#elif defined(CONFIG_PPC64)
-#define MAX_PHYSMEM_BITS 46
-#endif
-
#ifdef CONFIG_PPC_BOOK3S_64
#include <asm/book3s/64/mmu.h>
#else /* CONFIG_PPC_BOOK3S_64 */