On Mon, 15 Oct 2007, Matt Mackall wrote:

> Index: l/include/asm-mips/processor.h
> ===================================================================
> --- l.orig/include/asm-mips/processor.h       2007-10-09 17:37:58.000000000 
> -0500
> +++ l/include/asm-mips/processor.h    2007-10-10 11:46:30.000000000 -0500
> @@ -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_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
>  #endif
>  
>  #ifdef CONFIG_64BIT
> @@ -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_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
>  #endif
>  
>  #define NUM_FPU_REGS 32

These need to use test_tsk_thread_flag(tsk, TIF_32BIT_ADDR).

> Index: l/include/asm-parisc/processor.h
> ===================================================================
> --- l.orig/include/asm-parisc/processor.h     2007-10-09 17:36:49.000000000 
> -0500
> +++ l/include/asm-parisc/processor.h  2007-10-10 11:46:30.000000000 -0500
> @@ -32,7 +32,8 @@
>  #endif
>  #define current_text_addr() ({ void *pc; current_ia(pc); pc; })
>  
> -#define TASK_SIZE               (current->thread.task_size)
> +#define TASK_SIZE_OF(tsk)       ((tsk)->thread.task_size)
> +#define TASK_SIZE             (current->thread.task_size)
>  #define TASK_UNMAPPED_BASE      (current->thread.map_base)
>  
>  #define DEFAULT_TASK_SIZE32  (0xFFF00000UL)

TASK_SIZE_OF() should be defined in terms of TASK_SIZE, just like it is 
for ia64.

> Index: l/include/asm-powerpc/processor.h
> ===================================================================
> --- l.orig/include/asm-powerpc/processor.h    2007-10-09 17:37:58.000000000 
> -0500
> +++ l/include/asm-powerpc/processor.h 2007-10-10 11:46:30.000000000 -0500
> @@ -99,7 +99,9 @@ extern struct task_struct *last_task_use
>   */
>  #define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE))
>  
> -#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
> +#define TASK_SIZE      (test_thread_flag(TIF_32BIT) ? \
> +             TASK_SIZE_USER32 : TASK_SIZE_USER64)
> +#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \
>               TASK_SIZE_USER32 : TASK_SIZE_USER64)
>  

Same.

>  /* This decides where the kernel will search for a free chunk of vm
> Index: l/include/asm-s390/processor.h
> ===================================================================
> --- l.orig/include/asm-s390/processor.h       2007-10-09 17:37:58.000000000 
> -0500
> +++ l/include/asm-s390/processor.h    2007-10-10 11:46:30.000000000 -0500
> @@ -75,6 +75,8 @@ extern struct task_struct *last_task_use
>  
>  # define TASK_SIZE           (test_thread_flag(TIF_31BIT) ? \
>                                       (0x80000000UL) : (0x40000000000UL))
> +# define TASK_SIZE_OF(tsk)   (test_tsk_thread_flag(tsk, TIF_31BIT) ? \
> +                                     (0x80000000UL) : (0x40000000000UL))
>  # define TASK_UNMAPPED_BASE  (TASK_SIZE / 2)
>  # define DEFAULT_TASK_SIZE   (0x40000000000UL)
>  

Same.
-
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