On Wed, May 17, 2023 at 03:11:01PM +0200, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > 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 <arnd@xxxxxxxx> For arm64: Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>