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Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/mmu.h')
-rw-r--r--arch/powerpc/include/asm/book3s/64/mmu.h15
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h
index b392384a3b15..ddc414ab3c4d 100644
--- a/arch/powerpc/include/asm/book3s/64/mmu.h
+++ b/arch/powerpc/include/asm/book3s/64/mmu.h
@@ -27,21 +27,6 @@ struct mmu_psize_def {
extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
#endif /* __ASSEMBLY__ */
-/*
- * 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
-#else
-#define MAX_PHYSMEM_BITS 46
-#endif
-
/* 64-bit classic hash table MMU */
#include <asm/book3s/64/mmu-hash.h>