Re: [PATCH] riscv: fix overlap of allocated page and PTR_ERR

Hello:

This patch was applied to riscv/linux.git (fixes) by Palmer Dabbelt palmer@rivosinc.com:

On Thu, 25 Apr 2024 13:52:01 +0200 you wrote:

On riscv32, it is possible for the last page in virtual address space (0xfffff000) to be allocated. This page overlaps with PTR_ERR, so that shouldn't happen.

There is already some code to ensure memblock won't allocate the last page. However, buddy allocator is left unchecked.

[...]

Here is the summary with links: - riscv: fix overlap of allocated page and PTR_ERR https://git.kernel.org/riscv/c/a5e8a5b08a48

You are awesome, thank you!