On Thu, 14 Oct 2021 08:04:38 +1030, Joel Stanley wrote:
> The page_alloc.c code will call into __kernel_map_pages when
> DEBUG_PAGEALLOC is configured and enabled.
>
> As the implementation assumes hash, this should crash spectacularly if
> not for a bit of luck in __kernel_map_pages. In this function
> linear_map_hash_count is always zero, the for loop exits without doing
> any damage.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/s64: Clarify that radix lacks DEBUG_PAGEALLOC
https://git.kernel.org/powerpc/c/4f703e7faa67a116016c4678fc88b507c12670c9
cheers
