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| author | Alexandre Ghiti <alexandre.ghiti@canonical.com> | 2021-12-06 13:46:48 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-01-20 04:54:07 +0300 |
| commit | 3270bfdb9e4a01bb15d018612a6354c1837b5f97 (patch) | |
| tree | 6d948ca0ba57cd53294fa72d36e859a77cc73db0 /arch/riscv/Kconfig | |
| parent | 840125a97abc7e676d839adc2743e8f703a156b3 (diff) | |
| download | linux-3270bfdb9e4a01bb15d018612a6354c1837b5f97.tar.xz | |
riscv: Allow to dynamically define VA_BITS
With 4-level page table folding at runtime, we don't know at compile time
the size of the virtual address space so we must set VA_BITS dynamically
so that sparsemem reserves the right amount of memory for struct pages.
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 7f8aea333291..7945bacb1d0e 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -146,16 +146,6 @@ 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 |