From: heiko.carstens@de.ibm.com (Heiko Carstens)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 1/4] mm: remove unused TASK_SIZE_OF()
Date: Mon, 2 Jan 2017 07:57:13 +0100 [thread overview]
Message-ID: <20170102065713.GB4779@osiris> (raw)
In-Reply-To: <20161230155634.8692-2-dsafonov@virtuozzo.com>
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@virtuozzo.com>
> ---
...
> 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@de.ibm.com>
next prev parent reply other threads:[~2017-01-02 6:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-30 15:56 [RFC 0/4] x86: keep TASK_SIZE in sync with mm->task_size Dmitry Safonov
2016-12-30 15:56 ` [RFC 1/4] mm: remove unused TASK_SIZE_OF() Dmitry Safonov
2016-12-31 1:36 ` Andy Lutomirski
2017-01-02 6:57 ` Heiko Carstens [this message]
2017-01-02 9:53 ` Kirill A. Shutemov
2017-01-05 9:51 ` David Laight
2017-01-05 17:54 ` Andy Lutomirski
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