On 8/9/19 1:57 PM, Mina Almasry wrote:
> On Fri, Aug 9, 2019 at 1:39 PM Mike Kravetz wrote:
>>
>> On 8/9/19 11:05 AM, Mina Almasry wrote:
>>> On Fri, Aug 9, 2019 at 4:27 AM Michal Koutný wrote:
> Alternatives considered:
> [...]
(I did not try that but) have you considered:
3)
On Fri, Aug 9, 2019 at 1:39 PM Mike Kravetz wrote:
>
> On 8/9/19 11:05 AM, Mina Almasry wrote:
> > On Fri, Aug 9, 2019 at 4:27 AM Michal Koutný wrote:
> >>> Alternatives considered:
> >>> [...]
> >> (I did not try that but) have you considered:
> >> 3) MAP_POPULATE while you're making the
On 8/9/19 11:05 AM, Mina Almasry wrote:
> On Fri, Aug 9, 2019 at 4:27 AM Michal Koutný wrote:
>>> Alternatives considered:
>>> [...]
>> (I did not try that but) have you considered:
>> 3) MAP_POPULATE while you're making the reservation,
>
> I have tried this, and the behaviour is not great.
On Fri, Aug 9, 2019 at 4:27 AM Michal Koutný wrote:
>
> (+CC cgro...@vger.kernel.org)
>
> On Thu, Aug 08, 2019 at 12:40:02PM -0700, Mina Almasry
> wrote:
> > We have developers interested in using hugetlb_cgroups, and they have
> > expressed
> > dissatisfaction regarding this behavior.
> I
(+CC cgro...@vger.kernel.org)
On Thu, Aug 08, 2019 at 12:40:02PM -0700, Mina Almasry
wrote:
> We have developers interested in using hugetlb_cgroups, and they have
> expressed
> dissatisfaction regarding this behavior.
I assume you still want to enforce a limit on a particular group and the
On Thu, Aug 8, 2019 at 1:23 PM shuah wrote:
>
> On 8/8/19 1:40 PM, Mina Almasry wrote:
> > Problem:
> > Currently tasks attempting to allocate more hugetlb memory than is
> > available get
> > a failure at mmap/shmget time. This is thanks to Hugetlbfs Reservations [1].
> > However, if a task
On 8/8/19 1:40 PM, Mina Almasry wrote:
Problem:
Currently tasks attempting to allocate more hugetlb memory than is available get
a failure at mmap/shmget time. This is thanks to Hugetlbfs Reservations [1].
However, if a task attempts to allocate hugetlb memory only more than its
hugetlb_cgroup
Problem:
Currently tasks attempting to allocate more hugetlb memory than is available get
a failure at mmap/shmget time. This is thanks to Hugetlbfs Reservations [1].
However, if a task attempts to allocate hugetlb memory only more than its
hugetlb_cgroup limit allows, the kernel will allow the
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