diff options
Diffstat (limited to 'arch/arm64/include/asm/kernel-pgtable.h')
| -rw-r--r-- | arch/arm64/include/asm/kernel-pgtable.h | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/arch/arm64/include/asm/kernel-pgtable.h b/arch/arm64/include/asm/kernel-pgtable.h index 577773870b66..85d26143faa5 100644 --- a/arch/arm64/include/asm/kernel-pgtable.h +++ b/arch/arm64/include/asm/kernel-pgtable.h @@ -118,31 +118,4 @@ #define SWAPPER_RX_MMUFLAGS (SWAPPER_RW_MMUFLAGS | PTE_RDONLY) #endif -/* - * To make optimal use of block mappings when laying out the linear - * mapping, round down the base of physical memory to a size that can - * be mapped efficiently, i.e., either PUD_SIZE (4k granule) or PMD_SIZE - * (64k granule), or a multiple that can be mapped using contiguous bits - * in the page tables: 32 * PMD_SIZE (16k granule) - */ -#if defined(CONFIG_ARM64_4K_PAGES) -#define ARM64_MEMSTART_SHIFT PUD_SHIFT -#elif defined(CONFIG_ARM64_16K_PAGES) -#define ARM64_MEMSTART_SHIFT CONT_PMD_SHIFT -#else -#define ARM64_MEMSTART_SHIFT PMD_SHIFT -#endif - -/* - * sparsemem vmemmap imposes an additional requirement on the alignment of - * memstart_addr, due to the fact that the base of the vmemmap region - * has a direct correspondence, and needs to appear sufficiently aligned - * in the virtual address space. - */ -#if ARM64_MEMSTART_SHIFT < SECTION_SIZE_BITS -#define ARM64_MEMSTART_ALIGN (1UL << SECTION_SIZE_BITS) -#else -#define ARM64_MEMSTART_ALIGN (1UL << ARM64_MEMSTART_SHIFT) -#endif - #endif /* __ASM_KERNEL_PGTABLE_H */ |