Re: [Crash-utility] x86 remap allocator in kernel 3.0
On 01/11/2012 06:53 AM, Petr Tesarik wrote:
Dne Út 10. ledna 2012 19:23:24 Petr Tesarik napsal(a):
> Dne Út 10. ledna 2012 19:14:32 Petr Tesarik napsal(a):
... [ cut ] ...
> crash> vtop f2800080
> VIRTUAL PHYSICAL
> f2800080 1fde00080
>
> PAGE DIRECTORY: c08ed000
> PGD: c08ed018 => 8ea001
> PMD: 8eaca0 => 80000001fde001e3
> PAGE: 1fde00000 (2MB)
>
> PTE PHYSICAL FLAGS
> 80000001fde001e3 1fde00000 (PRESENT|RW|ACCESSED|DIRTY|PSE|GLOBAL|NX)
>
> PAGE PHYSICAL MAPPING INDEX CNT FLAGS
BTW the data from struct page is really missing here. I traced this down to an
integer overflow in dump_memory_nodes():
... [ cut ] ...
David (Mair), could you address this, as already discussed in private
mails,
please?
The attached patch fixes this for me.
--
David Mair
SUSE Linux
Attachments:
- expand-node_start_addr.patch (text/x-patch — 2.8 KB)