On Mon 31-07-17 19:58:30, Gerald Schaefer wrote:
> On Mon, 31 Jul 2017 17:53:50 +0200
> Michal Hocko wrote:
>
> > On Mon 31-07-17 17:04:59, Gerald Schaefer wrote:
[...]
> > > Well, it still looks like we cannot do w/o splitting up add_memory():
> > > 1) (only) set up section map during our initia
On Mon, 31 Jul 2017 19:58:30 +0200
Gerald Schaefer wrote:
> On Mon, 31 Jul 2017 17:53:50 +0200
> Michal Hocko wrote:
>
> > On Mon 31-07-17 17:04:59, Gerald Schaefer wrote:
> > > On Mon, 31 Jul 2017 14:53:19 +0200
> > > Michal Hocko wrote:
> > >
> > > > On Mon 31-07-17 14:35:21, Gerald Sch
On Mon, 31 Jul 2017 17:53:50 +0200
Michal Hocko wrote:
> On Mon 31-07-17 17:04:59, Gerald Schaefer wrote:
> > On Mon, 31 Jul 2017 14:53:19 +0200
> > Michal Hocko wrote:
> >
> > > On Mon 31-07-17 14:35:21, Gerald Schaefer wrote:
> > > > On Fri, 28 Jul 2017 14:19:41 +0200
> > > > Michal Hocko wr
On Mon 31-07-17 17:04:59, Gerald Schaefer wrote:
> On Mon, 31 Jul 2017 14:53:19 +0200
> Michal Hocko wrote:
>
> > On Mon 31-07-17 14:35:21, Gerald Schaefer wrote:
> > > On Fri, 28 Jul 2017 14:19:41 +0200
> > > Michal Hocko wrote:
> > >
> > > > On Thu 27-07-17 08:56:52, Michal Hocko wrote:
> > >
On Mon, 31 Jul 2017 14:53:19 +0200
Michal Hocko wrote:
> On Mon 31-07-17 14:35:21, Gerald Schaefer wrote:
> > On Fri, 28 Jul 2017 14:19:41 +0200
> > Michal Hocko wrote:
> >
> > > On Thu 27-07-17 08:56:52, Michal Hocko wrote:
> > > > On Wed 26-07-17 17:06:59, Jerome Glisse wrote:
> > > > [...]
>
On Mon 31-07-17 14:35:21, Gerald Schaefer wrote:
> On Fri, 28 Jul 2017 14:19:41 +0200
> Michal Hocko wrote:
>
> > On Thu 27-07-17 08:56:52, Michal Hocko wrote:
> > > On Wed 26-07-17 17:06:59, Jerome Glisse wrote:
> > > [...]
> > > > This does not seems to be an opt-in change ie if i am reading pa
On Fri, 28 Jul 2017 14:19:41 +0200
Michal Hocko wrote:
> On Thu 27-07-17 08:56:52, Michal Hocko wrote:
> > On Wed 26-07-17 17:06:59, Jerome Glisse wrote:
> > [...]
> > > This does not seems to be an opt-in change ie if i am reading patch 3
> > > correctly if an altmap is not provided to __add_pag
On Thu 27-07-17 08:56:52, Michal Hocko wrote:
> On Wed 26-07-17 17:06:59, Jerome Glisse wrote:
> [...]
> > This does not seems to be an opt-in change ie if i am reading patch 3
> > correctly if an altmap is not provided to __add_pages() you fallback
> > to allocating from begining of zone. This wil
On Wed 26-07-17 10:33:28, Michal Hocko wrote:
[...]
> There is also one potential drawback, though. If somebody uses memory
> hotplug for 1G (gigantic) hugetlb pages then this scheme will not work
> for them obviously because each memory section will contain 2MB reserved
> area.
Actually I am wron
On Wed 26-07-17 17:06:59, Jerome Glisse wrote:
[...]
> This does not seems to be an opt-in change ie if i am reading patch 3
> correctly if an altmap is not provided to __add_pages() you fallback
> to allocating from begining of zone. This will not work with HMM ie
> device private memory. So at ve
On Wed, Jul 26, 2017 at 10:33:28AM +0200, Michal Hocko wrote:
> Hi,
> this is another step to make the memory hotplug more usable. The primary
> goal of this patchset is to reduce memory overhead of the hot added
> memory (at least for SPARSE_VMEMMAP memory model). Currently we use
> kmalloc to pop
On Wed 26-07-17 10:33:28, Michal Hocko wrote:
> The patches is based on the current mmotm tree (mmotm-2017-07-12-15-11)
Btw. the patchset is also
git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git branch
attempts/memmap-in-section-hotplug
--
Michal Hocko
SUSE Labs
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