Re: Page scan keeps touching kernel text pages

From: Dave McCracken
Date: Mon Feb 25 2008 - 14:46:47 EST


On Monday 25 February 2008, Andy Whitcroft wrote:
> I thought that init sections were deliberatly pushed to the end of the
> kernel when linked, cirtainly on my laptop here that seems to be so.
> That would make the first two "after" the kernel.  The other two appear
> to be before the traditional kernel load address, which is 0x100000, so
> those pages are before not in the kernel?

I believe the memory below the kernel load address on x86 is returned to the
free memory pool at some point during boot, which would explain those
addresses.

Dave McCracken
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