On Tue 10-07-18 18:44:34, Linus Torvalds wrote:
[...]
> That was what I tried to encourage with actually removing the pages
> form the page list. That would be an _incremental_ interface. You can
> remove MAX_ORDER-1 pages one by one (or a hundred at a time), and mark
> them free for ballooning tha
On 07/11/2018 05:21 PM, Michal Hocko wrote:
On Tue 10-07-18 18:44:34, Linus Torvalds wrote:
[...]
That was what I tried to encourage with actually removing the pages
form the page list. That would be an _incremental_ interface. You can
remove MAX_ORDER-1 pages one by one (or a hundred at a time)
On Wed 11-07-18 18:52:45, Wei Wang wrote:
> On 07/11/2018 05:21 PM, Michal Hocko wrote:
> > On Tue 10-07-18 18:44:34, Linus Torvalds wrote:
> > [...]
> > > That was what I tried to encourage with actually removing the pages
> > > form the page list. That would be an _incremental_ interface. You can
On Wed, Jul 11, 2018 at 01:12:59PM +0800, Jason Wang wrote:
>
>
> On 2018年07月11日 11:49, Tonghao Zhang wrote:
> > On Wed, Jul 11, 2018 at 10:56 AM Jason Wang wrote:
> > >
> > >
> > > On 2018年07月04日 12:31, xiangxia.m@gmail.com wrote:
> > > > From: Tonghao Zhang
> > > >
> > > > This patches
On Wednesday, July 11, 2018 7:10 PM, Michal Hocko wrote:
> On Wed 11-07-18 18:52:45, Wei Wang wrote:
> > On 07/11/2018 05:21 PM, Michal Hocko wrote:
> > > On Tue 10-07-18 18:44:34, Linus Torvalds wrote:
> > > [...]
> > > > That was what I tried to encourage with actually removing the
> > > > pages
On Wed 11-07-18 13:55:15, Wang, Wei W wrote:
> On Wednesday, July 11, 2018 7:10 PM, Michal Hocko wrote:
> > On Wed 11-07-18 18:52:45, Wei Wang wrote:
> > > On 07/11/2018 05:21 PM, Michal Hocko wrote:
> > > > On Tue 10-07-18 18:44:34, Linus Torvalds wrote:
> > > > [...]
> > > > > That was what I tri
On Wed, Jul 11, 2018 at 2:21 AM Michal Hocko wrote:
>
> We already have an interface for that. alloc_pages(GFP_NOWAIT, MAX_ORDER -1).
> So why do we need any array based interface?
That was actually my original argument in the original thread - that
the only new interface people might want is one
On Wed, Jul 11, 2018 at 01:09:49PM +0200, Michal Hocko wrote:
> But let me note that I am not really convinced how this (or previous)
> approach will really work in most workloads. We tend to cache heavily so
> there is rarely any memory free.
It might be that it's worth flushing the cache when VM
On 07/12/2018 12:23 AM, Linus Torvalds wrote:
On Wed, Jul 11, 2018 at 2:21 AM Michal Hocko wrote:
We already have an interface for that. alloc_pages(GFP_NOWAIT, MAX_ORDER -1).
So why do we need any array based interface?
That was actually my original argument in the original thread - that
the
On Wed, Jul 11, 2018 at 7:17 PM Wei Wang wrote:
>
> Would it be better to remove __GFP_THISNODE? We actually want to get all
> the guest free pages (from all the nodes).
Maybe. Or maybe it would be better to have the memory balloon logic be
per-node? Maybe you don't want to remove too much memory
On 07/12/2018 10:30 AM, Linus Torvalds wrote:
On Wed, Jul 11, 2018 at 7:17 PM Wei Wang wrote:
Would it be better to remove __GFP_THISNODE? We actually want to get all
the guest free pages (from all the nodes).
Maybe. Or maybe it would be better to have the memory balloon logic be
per-node? May
On 2018年07月11日 19:59, Michael S. Tsirkin wrote:
On Wed, Jul 11, 2018 at 01:12:59PM +0800, Jason Wang wrote:
On 2018年07月11日 11:49, Tonghao Zhang wrote:
On Wed, Jul 11, 2018 at 10:56 AM Jason Wang wrote:
On 2018年07月04日 12:31, xiangxia.m@gmail.com wrote:
From: Tonghao Zhang
This patch
On Thu, Jul 12, 2018 at 11:26:12AM +0800, Jason Wang wrote:
>
>
> On 2018年07月11日 19:59, Michael S. Tsirkin wrote:
> > On Wed, Jul 11, 2018 at 01:12:59PM +0800, Jason Wang wrote:
> > >
> > > On 2018年07月11日 11:49, Tonghao Zhang wrote:
> > > > On Wed, Jul 11, 2018 at 10:56 AM Jason Wang wrote:
> >
On 2018年07月12日 11:34, Michael S. Tsirkin wrote:
On Thu, Jul 12, 2018 at 11:26:12AM +0800, Jason Wang wrote:
On 2018年07月11日 19:59, Michael S. Tsirkin wrote:
On Wed, Jul 11, 2018 at 01:12:59PM +0800, Jason Wang wrote:
On 2018年07月11日 11:49, Tonghao Zhang wrote:
On Wed, Jul 11, 2018 at 10:56 A
On Thu, Jul 12, 2018 at 01:21:03PM +0800, Jason Wang wrote:
>
>
> On 2018年07月12日 11:34, Michael S. Tsirkin wrote:
> > On Thu, Jul 12, 2018 at 11:26:12AM +0800, Jason Wang wrote:
> > >
> > > On 2018年07月11日 19:59, Michael S. Tsirkin wrote:
> > > > On Wed, Jul 11, 2018 at 01:12:59PM +0800, Jason Wa
On 2018年07月12日 13:24, Michael S. Tsirkin wrote:
On Thu, Jul 12, 2018 at 01:21:03PM +0800, Jason Wang wrote:
On 2018年07月12日 11:34, Michael S. Tsirkin wrote:
On Thu, Jul 12, 2018 at 11:26:12AM +0800, Jason Wang wrote:
On 2018年07月11日 19:59, Michael S. Tsirkin wrote:
On Wed, Jul 11, 2018 at 01
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