On Fri, Dec 30, 2016 at 06:56:31PM +0300, Dmitry Safonov wrote:
> All users of TASK_SIZE_OF(tsk) have migrated to mm->task_size or
> TASK_SIZE_MAX since:
> commit d696ca016d57 ("x86/fsgsbase/64: Use TASK_SIZE_MAX for
> FSBASE/GSBASE upper limits"),
> commit a06db751c321 ("pagemap: check permissions and capabilities at
> open time"),
>
> Signed-off-by: Dmitry Safonov <dsafonov@xxxxxxxxxxxxx>
> ---
...
> diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
> index 6bca916a5ba0..c53e8e2a51ac 100644
> --- a/arch/s390/include/asm/processor.h
> +++ b/arch/s390/include/asm/processor.h
> @@ -89,10 +89,9 @@ extern void execve_tail(void);
> * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
> */
>
> -#define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit)
> #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
> (1UL << 30) : (1UL << 41))
> -#define TASK_SIZE TASK_SIZE_OF(current)
> +#define TASK_SIZE (current->mm->context.asce_limit)
> #define TASK_MAX_SIZE (1UL << 53)
>
> #define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42))
FWIW, for the s390 part:
Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
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