On Wed 22-08-18 11:58:02, Mike Kravetz wrote:
> On 08/22/2018 02:30 AM, Aneesh Kumar K.V wrote:
[...]
> > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> > index 4eb6e824a80c..f9bdea685cf4 100644
> > --- a/mm/memory_hotplug.c
> > +++ b/mm/memory_hotplug.c
> > @@ -1338,7 +1338,8 @@ static u
On 08/23/2018 12:28 AM, Mike Kravetz wrote:
On 08/22/2018 02:30 AM, Aneesh Kumar K.V wrote:
commit 2e9d754ac211f2af3731f15df3cd8cd070b4cc54
Author: Aneesh Kumar K.V
Date: Tue Aug 21 14:17:55 2018 +0530
mm/hugetlb: filter out hugetlb pages if HUGEPAGE migration is not
supported.
On 08/22/2018 02:30 AM, Aneesh Kumar K.V wrote:
> commit 2e9d754ac211f2af3731f15df3cd8cd070b4cc54
> Author: Aneesh Kumar K.V
> Date: Tue Aug 21 14:17:55 2018 +0530
>
> mm/hugetlb: filter out hugetlb pages if HUGEPAGE migration is not
> supported.
>
> When scanning for movable page
On Wed 22-08-18 15:00:18, Aneesh Kumar K.V wrote:
>
> Hi Michal,
>
> Michal Hocko writes:
>
> > On Wed 25-07-18 13:11:15, John Allen wrote:
> > [...]
> >> Does a failure in do_migrate_range indicate that the range is unmigratable
> >> and the loop in __offline_pages should terminate and goto fa
Hi Michal,
Michal Hocko writes:
> On Wed 25-07-18 13:11:15, John Allen wrote:
> [...]
>> Does a failure in do_migrate_range indicate that the range is unmigratable
>> and the loop in __offline_pages should terminate and goto failed_removal? Or
>> should we allow a certain number of retrys befo
On Wed 01-08-18 21:09:39, Michael Ellerman wrote:
> Michal Hocko writes:
> > On Wed 25-07-18 13:11:15, John Allen wrote:
> > [...]
> >> Does a failure in do_migrate_range indicate that the range is unmigratable
> >> and the loop in __offline_pages should terminate and goto failed_removal?
> >> Or
Michal Hocko writes:
> On Wed 25-07-18 13:11:15, John Allen wrote:
> [...]
>> Does a failure in do_migrate_range indicate that the range is unmigratable
>> and the loop in __offline_pages should terminate and goto failed_removal? Or
>> should we allow a certain number of retrys before we
>> give u
On 26/07/18 04:11, John Allen wrote:
> Hi All,
>
> Under heavy stress and constant memory hot add/remove, I have observed
> the following loop to occasionally loop infinitely:
>
> mm/memory_hotplug.c:__offline_pages
>
> repeat:
> /* start memory hot removal */
> ret = -EINTR;
>
On Fri 27-07-18 12:32:59, John Allen wrote:
> On Wed, Jul 25, 2018 at 10:03:36PM +0200, Michal Hocko wrote:
> > On Wed 25-07-18 13:11:15, John Allen wrote:
> > [...]
> > > Does a failure in do_migrate_range indicate that the range is unmigratable
> > > and the loop in __offline_pages should termina
On Wed, Jul 25, 2018 at 10:03:36PM +0200, Michal Hocko wrote:
On Wed 25-07-18 13:11:15, John Allen wrote:
[...]
Does a failure in do_migrate_range indicate that the range is unmigratable
and the loop in __offline_pages should terminate and goto failed_removal? Or
should we allow a certain number
On Wed 25-07-18 13:11:15, John Allen wrote:
[...]
> Does a failure in do_migrate_range indicate that the range is unmigratable
> and the loop in __offline_pages should terminate and goto failed_removal? Or
> should we allow a certain number of retrys before we
> give up on migrating the range?
Unf
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