Here is the patch again, attached as a text file. I don't have idea how
these macros should be on a 64bit machine, so I just left them as it is.
Could you please verify these macros again?
On 9/25/06 12:26 AM, "Atsushi Nemoto" <anemo@xxxxxxxxxxxxx> wrote:
> On Sun, 24 Sep 2006 14:39:38 +0900, girish <girishvg@xxxxxxxxx> wrote:
>> --- linux-vanilla/include/asm-mips/page.h 2006-09-24 12:23:34.000000000 +0900
>> +++ linux/include/asm-mips/page.h 2006-09-24 14:00:53.000000000 +0900
>> @@ -134,8 +134,13 @@ typedef struct { unsigned long pgprot; }
>> /* to align the pointer to the (next) page boundary */
>> #define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
>>
>> -#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
>> -#define __va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
>> +#define UNMAPLIMIT (UNCAC_BASE - CAC_BASE) /*HIGHMEM_START*/
>> +#define ISMAPPED(x) (KSEGX((x)) > UNMAPLIMIT)
>> +#define ___pa(x) ((unsigned long) (x) - PAGE_OFFSET)
>> +#define __pa(x) (ISMAPPED(x) ? (x) : ___pa(x))
>> +
>> +#define ___va(x) ((void *)((unsigned long) (x) + PAGE_OFFSET))
>> +#define __va(x) (ISMAPPED(x) ? (x) : ___va(x))
>>
>> #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
>
> This part looks broken for 64-bit kernel.
>
> For other parts, it would be better to keep correct indentation level.
>
> ---
> Atsushi Nemoto
Attachment:
patch-basicfix-20060925
Description: Binary data
