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| author | Guo Ren <guoren@linux.alibaba.com> | 2023-01-10 09:04:19 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-01-25 01:19:07 +0100 |
| commit | 6be1ff430dab9fc047762b10b2c9669399ea1f37 (patch) | |
| tree | d022c58ee6ffe49353dd92e928d781d343a416b8 | |
| parent | Merge patch series "Putting some basic order on isa extension lists" (diff) | |
| download | linux-6be1ff430dab9fc047762b10b2c9669399ea1f37.tar.xz linux-6be1ff430dab9fc047762b10b2c9669399ea1f37.zip | |
riscv: pgtable: Fixup comment for KERN_VIRT_SIZE
KERN_VIRT_SIZE is 1/4 of the entries of the page global directory,
not half.
Fixes: f7ae02333d13 ("riscv: Move KASAN mapping next to the kernel mapping")
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Cc: Alexandre Ghiti <alexandre.ghiti@canonical.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20230110080419.931185-1-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
| -rw-r--r-- | arch/riscv/include/asm/pgtable.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 4eba9a98d0e3..2a88362dffa5 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -31,7 +31,7 @@ #define PTRS_PER_PTE (PAGE_SIZE / sizeof(pte_t)) /* - * Half of the kernel address space (half of the entries of the page global + * Half of the kernel address space (1/4 of the entries of the page global * directory) is for the direct mapping. */ #define KERN_VIRT_SIZE ((PTRS_PER_PGD / 2 * PGDIR_SIZE) / 2) |