diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2013-10-23 16:50:07 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-11-05 17:23:52 +0000 |
| commit | 847264fb7e73ade5b5e4b6eea3daa243a1f5217e (patch) | |
| tree | 3688d8bf1cd8f06e8bff978922d14c79406f5ce8 /arch/arm64/include/asm/pgtable.h | |
| parent | 122e2fa0d310d262cb85cf0b003032e5d2bc2ae7 (diff) | |
arm64: Use 42-bit address space with 64K pages
This patch expands the VA_BITS to 42 when the 64K page configuration is
enabled allowing 2TB kernel linear mapping. Linux still uses 2 levels of
page tables in this configuration with pgd now being a full page.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/pgtable.h')
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index f0bebc5e22cd..17bd3af0a117 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -33,7 +33,7 @@ /* * VMALLOC and SPARSEMEM_VMEMMAP ranges. */ -#define VMALLOC_START UL(0xffffff8000000000) +#define VMALLOC_START (UL(0xffffffffffffffff) << VA_BITS) #define VMALLOC_END (PAGE_OFFSET - UL(0x400000000) - SZ_64K) #define vmemmap ((struct page *)(VMALLOC_END + SZ_64K)) |