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SubjectRe: 2.6.13-rc3-mm3
On Mon, 2005-08-08 at 09:48 -0700, Christoph Lameter wrote:
> Ok. So we cannot set the dirty bit.
> Here is a patch that also prints the pte status immediately before
> ptep_cmpxchg. I guess this will show that dirty bit is already set.
> Does the ARM have some hardware capability to set dirty bits?
> + printk(KERN_CRIT "cmpxchg fail fault mm=%p vma=%p addr=%lx write=%d ptep=%p pmd=%p entry=%lx new=%lx current=%lx\n",
> + mm, vma, address, write_access, pte, pmd, pte_val(entry), pte_val(new_entry), *pte);

Ok, this results in:

cmpxchg fail fault mm=c39fc4e0 vma=c2a37bcc addr=4025f000 write=2048
ptep=c2fc197c pmd=c2b91008 entry=88000f7 new=8800077 current=8800077

I'm beginning to understand this code a bit more so I'll see if I can
work out anything myself as well...


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