riscv: Explicit comment about user virtual address space size

[linux-2.6-microblaze.git] / arch / riscv / Kconfig

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 821252b..c4289d7 100644 (file)
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -146,27 +146,16 @@ config MMU
          Select if you want MMU-based virtualised addressing space
          support by paged memory management. If unsure, say 'Y'.
 
-config VA_BITS
-       int
-       default 32 if 32BIT
-       default 39 if 64BIT
-
-config PA_BITS
-       int
-       default 34 if 32BIT
-       default 56 if 64BIT
-
 config PAGE_OFFSET
        hex
-       default 0xC0000000 if 32BIT && MAXPHYSMEM_1GB
+       default 0xC0000000 if 32BIT
        default 0x80000000 if 64BIT && !MMU
-       default 0xffffffff80000000 if 64BIT && MAXPHYSMEM_2GB
-       default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB
+       default 0xffffaf8000000000 if 64BIT
 
 config KASAN_SHADOW_OFFSET
        hex
        depends on KASAN_GENERIC
-       default 0xdfffffc800000000 if 64BIT
+       default 0xdfffffff00000000 if 64BIT
        default 0xffffffff if 32BIT
 
 config ARCH_FLATMEM_ENABLE
@@ -212,7 +201,7 @@ config FIX_EARLYCON_MEM
 
 config PGTABLE_LEVELS
        int
-       default 3 if 64BIT
+       default 4 if 64BIT
        default 2
 
 config LOCKDEP_SUPPORT
@@ -270,24 +259,6 @@ config MODULE_SECTIONS
        bool
        select HAVE_MOD_ARCH_SPECIFIC
 
-choice
-       prompt "Maximum Physical Memory"
-       default MAXPHYSMEM_1GB if 32BIT
-       default MAXPHYSMEM_2GB if 64BIT && CMODEL_MEDLOW
-       default MAXPHYSMEM_128GB if 64BIT && CMODEL_MEDANY
-
-       config MAXPHYSMEM_1GB
-               depends on 32BIT
-               bool "1GiB"
-       config MAXPHYSMEM_2GB
-               depends on 64BIT && CMODEL_MEDLOW
-               bool "2GiB"
-       config MAXPHYSMEM_128GB
-               depends on 64BIT && CMODEL_MEDANY
-               bool "128GiB"
-endchoice
-
-
 config SMP
        bool "Symmetric Multi-Processing"
        help