Hi all, We noticed that 64-bit RISC-V kernels limit mmap_rnd_bits to 24 even if the hardware supports a larger virtual address space size [1]. These two patches allow mmap_rnd_bits_max to be changed during init, and bumps up the maximum randomness if we end up setting up 4/5-level paging at boot. Sami [1] https://github.com/google/android-riscv64/issues/1 Sami Tolvanen (2): mm: Change mmap_rnd_bits_max to __ro_after_init riscv: mm: Update mmap_rnd_bits_max arch/riscv/mm/init.c | 6 ++++++ include/linux/mm.h | 2 +- mm/mmap.c | 2 +- 3 files changed, 8 insertions(+), 2 deletions(-) base-commit: 6465e260f48790807eef06b583b38ca9789b6072 -- 2.42.0.582.g8ccd20d70d-goog
