Subject: Re: [PATCH 13/14] thread_info: move function declarations to linux/thread_info.h

From: Catalin Marinas <[email-masked]>
Date: Wed, 24 May 2023 19:48:55 +0100

On Wed, May 17, 2023 at 03:11:01PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <[email-masked]>
> 
> There are a few __weak functions in kernel/fork.c, which architectures
> can override. If there is no prototype, the compiler warns about them:
> 
> kernel/fork.c:164:13: error: no previous prototype for 'arch_release_task_struct' [-Werror=missing-prototypes]
> kernel/fork.c:991:20: error: no previous prototype for 'arch_task_cache_init' [-Werror=missing-prototypes]
> kernel/fork.c:1086:12: error: no previous prototype for 'arch_dup_task_struct' [-Werror=missing-prototypes]
> 
> There are already prototypes in a number of architecture specific headers
> that have addressed those warnings before, but it's much better to have
> these in a single place so the warning no longer shows up anywhere.
> 
> Signed-off-by: Arnd Bergmann <[email-masked]>

For arm64:

Acked-by: Catalin Marinas <[email-masked]>