Re: [PATCH] arm: add kernel/fork.c function definitions

[Christoph Hellwig]

On Wed, Oct 09, 2019 at 03:06:37PM +0100, Ben Dooks wrote:
> Add the definitions of arch_release_task_struct,
> arch_task_cache_init and arch_dup_task_struct which
> are used in kernel/fork.c but defined in various
> architecture's <asm/thread_info.h>.

So please lift them into a common header.  In fact I'm pretty sure
I had that comment before when people did the same blind sparse
cleanups for riscv..