On 2015-12-07, at 4:19 PM, Helge Deller wrote:
>> Where do the non equivalent addresses come from?
>
> I think the main problem is the gateway page.
> It's mapped at address 0 into userspace, but needs to jump into kernel space too.
> This somehow breaks the huge page mapping.
With latest debian kernel, I see:
000000004015d000 <linux_gateway_page>:
...
000000004015d0b0 <lws_entry>:
Possibly, this needs to be aligned to huge page boundary.
Dave
--
John David Anglin dave.anglin@xxxxxxxx
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