[kernelreadfans] Re: pg0 & pg1 problem...
- From: mingz <mingz@xxxxxxxxxxx>
- To: kernelreadfans@xxxxxxxxxxxxx
- Date: Thu, 5 Jun 2003 21:52:22 -0400
i think ulk2 is wrong.
i think PAGE_OFFSET+1MB is more believeable.
ming
On Wednesday 04 June 2003 22:33, you wrote:
> Hi, guys,
> Understanding VM:
> The first pointers to pg0 and pg1 are placed to cover the region 1-9MiB
> and the second pointers to pg0 and pg1 are placed at PAGE_OFFSET+1MiB.
> ULK2:
> Therefore, the kernel must create a mapping from both the linear
> addresses 0x00000000 through 0x007fffff and the linear addresses 0xc0000000
> through 0xc07fffff into the physical addresses 0x00000000 through
> 0x007fffff. 一个说是1-9M, 一个说是0－8M， 谁是对的？昏......
> Best Regards
> Ouyang Kai
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