linux-kernel - Re: [PATCH 2/11] maps3: introduce task_size

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Date:	Mon, 15 Oct 2007 19:26:24 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Dave Hansen <haveblue@...ibm.com>
cc:	Matt Mackall <mpm@...enic.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Rusty Russell <rusty@...tcorp.com.au>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Fengguang Wu <wfg@...l.ustc.edu.cn>
Subject: Re: [PATCH 2/11] maps3: introduce task_size_of for all arches

On Mon, 15 Oct 2007, Dave Hansen wrote:

> diff -puN include/asm-mips/processor.h~PATCH_2_11_maps3-_introduce_task_size_of_for_all_arches include/asm-mips/processor.h
> --- lxc/include/asm-mips/processor.h~PATCH_2_11_maps3-_introduce_task_size_of_for_all_arches	2007-10-15 17:29:22.000000000 -0700
> +++ lxc-dave/include/asm-mips/processor.h	2007-10-15 17:34:12.000000000 -0700
> @@ -45,6 +45,8 @@ extern unsigned int vced_count, vcei_cou
>   * space during mmap's.
>   */
>  #define TASK_UNMAPPED_BASE	(PAGE_ALIGN(TASK_SIZE / 3))
> +#define TASK_SIZE_OF(tsk)						\
> +	(test_tsk_thread_flag(tak, TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
>  #endif
>  
>  #ifdef CONFIG_64BIT

tak needs to be tsk.

> @@ -65,6 +67,8 @@ extern unsigned int vced_count, vcei_cou
>  #define TASK_UNMAPPED_BASE						\
>  	(test_thread_flag(TIF_32BIT_ADDR) ?				\
>  		PAGE_ALIGN(TASK_SIZE32 / 3) : PAGE_ALIGN(TASK_SIZE / 3))
> +#define TASK_SIZE_OF(tsk)						\
> +	(test_tsk_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
>  #endif
>  
>  #define NUM_FPU_REGS	32

test_tsk_thread_flag() takes two arguments.
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