On Wed, 14 Oct 2026 22:23:35 -0700, Iurii Trukhin wrote:
> Since commit f101c5644771 ("arm64: Support ARM64_VA_BITS=52 when
> setting ARCH_MMAP_RND_BITS_MAX"), arm64 supports up to 33, 31, and 29
> bits of mmap ASLR entropy on 48-bit and 52-bit virtual address spaces
> for 4K, 16K, and 64K pages respectively. However, ARCH_MMAP_RND_BITS
> still defaults to ARCH_MMAP_RND_BITS_MIN (18, 16, and 14 bits), which
> was set in commit 8f0d3aa9de57 ("arm64: mm: support ARCH_MMAP_RND_BITS")
> when 39-bit VA was the 4K default.
>
> [...]
Applied to arm64 (for-next/misc), thanks!
[1/1] arm64: raise default ARCH_MMAP_RND_BITS for 48-bit and 52-bit VA
https://git.kernel.org/arm64/c/ac9de62b1902
