On Mon, Feb 23, 2015 at 03:13:48PM +, Dario Faggioli wrote:
> Hi everyone,
>
> On Thu, 2015-02-19 at 17:01 +, Mel Gorman wrote:
> > On Thu, Feb 19, 2015 at 01:06:53PM +, David Vrabel wrote:
>
> > I cannot think of a reason why this would fail for NUMA balancing on bare
> > metal. The
Hi everyone,
On Thu, 2015-02-19 at 17:01 +, Mel Gorman wrote:
> On Thu, Feb 19, 2015 at 01:06:53PM +, David Vrabel wrote:
> I cannot think of a reason why this would fail for NUMA balancing on bare
> metal. The PAGE_NONE protection clears the present bit on p[te|md]_modify
> so the expect
On Fri, Feb 20, 2015 at 10:47:52AM +, Andrew Cooper wrote:
> On 20/02/15 01:49, Linus Torvalds wrote:
> > On Thu, Feb 19, 2015 at 5:05 PM, Kirill A. Shutemov
> > wrote:
> >> I'm feeling I miss very basic background on how Xen works, but why does it
> >> set _PAGE_GLOBAL on userspace entries? I
On 20/02/15 11:29, Kirill A. Shutemov wrote:
> On Fri, Feb 20, 2015 at 10:47:52AM +, Andrew Cooper wrote:
>> On 20/02/15 01:49, Linus Torvalds wrote:
>>> On Thu, Feb 19, 2015 at 5:05 PM, Kirill A. Shutemov
>>> wrote:
I'm feeling I miss very basic background on how Xen works, but why does
On 20/02/15 01:49, Linus Torvalds wrote:
> On Thu, Feb 19, 2015 at 5:05 PM, Kirill A. Shutemov
> wrote:
>> I'm feeling I miss very basic background on how Xen works, but why does it
>> set _PAGE_GLOBAL on userspace entries? It sounds strange to me.
> It is definitely strange. I'm guessing that it'
On 19/02/15 23:09, Linus Torvalds wrote:
> On Thu, Feb 19, 2015 at 5:06 AM, David Vrabel wrote:
>>
>> The NUMA_BALANCING series beginning with 5d833062139d (mm: numa: do not
>> dereference pmd outside of the lock during NUMA hinting fault) and
>> specifically 8a0516ed8b90 (mm: convert p[te|md]_num
On Thu, Feb 19, 2015 at 01:06:53PM +, David Vrabel wrote:
> Mel,
>
> The NUMA_BALANCING series beginning with 5d833062139d (mm: numa: do not
> dereference pmd outside of the lock during NUMA hinting fault) and
> specifically 8a0516ed8b90 (mm: convert p[te|md]_numa users to
> p[te|md]_protnone_
On Thu, Feb 19, 2015 at 5:05 PM, Kirill A. Shutemov
wrote:
>
> I'm feeling I miss very basic background on how Xen works, but why does it
> set _PAGE_GLOBAL on userspace entries? It sounds strange to me.
It is definitely strange. I'm guessing that it's some ancient Xen hack
for the early Intel vi
On Thu, Feb 19, 2015 at 5:06 AM, David Vrabel wrote:
>
> The NUMA_BALANCING series beginning with 5d833062139d (mm: numa: do not
> dereference pmd outside of the lock during NUMA hinting fault) and
> specifically 8a0516ed8b90 (mm: convert p[te|md]_numa users to
> p[te|md]_protnone_numa) breaks Xen
On Thu, Feb 19, 2015 at 01:06:53PM +, David Vrabel wrote:
> Mel,
>
> The NUMA_BALANCING series beginning with 5d833062139d (mm: numa: do not
> dereference pmd outside of the lock during NUMA hinting fault) and
> specifically 8a0516ed8b90 (mm: convert p[te|md]_numa users to
> p[te|md]_protnone_
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