On Fri, Jun 11, 2021 at 01:43:20PM +1000, Alistair Popple wrote:
> On Friday, 11 June 2021 11:00:34 AM AEST Peter Xu wrote:
> > On Fri, Jun 11, 2021 at 09:17:14AM +1000, Alistair Popple wrote:
> > > On Friday, 11 June 2021 9:04:19 AM AEST Peter Xu wrote:
> > > > On Fri, Jun 11, 2021 at 12:21:26AM
On Tue, Jun 15, 2021 at 01:08:11PM +1000, Alistair Popple wrote:
> On Saturday, 12 June 2021 1:01:42 AM AEST Peter Xu wrote:
> > On Fri, Jun 11, 2021 at 01:43:20PM +1000, Alistair Popple wrote:
> > > On Friday, 11 June 2021 11:00:34 AM AEST Peter Xu wrote:
> > > > On Fri, Jun 11, 2021 at
On Fri, Jun 11, 2021 at 12:21:26AM +1000, Alistair Popple wrote:
> > Hmm, the thing is.. to me FOLL_SPLIT_PMD should have similar effect to
> > explicit
> > call split_huge_pmd_address(), afaict. Since both of them use
> > __split_huge_pmd()
> > internally which will generate that unwanted
On Fri, Jun 11, 2021 at 09:17:14AM +1000, Alistair Popple wrote:
> On Friday, 11 June 2021 9:04:19 AM AEST Peter Xu wrote:
> > External email: Use caution opening links or attachments
> >
> >
> > On Fri, Jun 11, 2021 at 12:21:26AM +1000, Alistair Popple wrote:
> > > > Hmm, the thing is.. to me
On Thu, Jun 10, 2021 at 10:18:25AM +1000, Alistair Popple wrote:
> > > The main problem is split_huge_pmd_address() unconditionally calls a mmu
> > > notifier so I would need to plumb in passing an owner everywhere which
> > > could
> > > get messy.
> >
> > Could I ask why?
On Wednesday, 16 June 2021 2:25:09 AM AEST Peter Xu wrote:
> On Tue, Jun 15, 2021 at 01:08:11PM +1000, Alistair Popple wrote:
> > On Saturday, 12 June 2021 1:01:42 AM AEST Peter Xu wrote:
> > > On Fri, Jun 11, 2021 at 01:43:20PM +1000, Alistair Popple wrote:
[...]
> > > Do you think we can
On Saturday, 12 June 2021 1:01:42 AM AEST Peter Xu wrote:
> On Fri, Jun 11, 2021 at 01:43:20PM +1000, Alistair Popple wrote:
> > On Friday, 11 June 2021 11:00:34 AM AEST Peter Xu wrote:
> > > On Fri, Jun 11, 2021 at 09:17:14AM +1000, Alistair Popple wrote:
> > > > On Friday, 11 June 2021 9:04:19
On Friday, 11 June 2021 11:00:34 AM AEST Peter Xu wrote:
> On Fri, Jun 11, 2021 at 09:17:14AM +1000, Alistair Popple wrote:
> > On Friday, 11 June 2021 9:04:19 AM AEST Peter Xu wrote:
> > > On Fri, Jun 11, 2021 at 12:21:26AM +1000, Alistair Popple wrote:
> > > > > Hmm, the thing is.. to me
On Friday, 11 June 2021 9:04:19 AM AEST Peter Xu wrote:
> External email: Use caution opening links or attachments
>
>
> On Fri, Jun 11, 2021 at 12:21:26AM +1000, Alistair Popple wrote:
> > > Hmm, the thing is.. to me FOLL_SPLIT_PMD should have similar effect to
> > > explicit
> > > call
On Friday, 11 June 2021 4:04:35 AM AEST Peter Xu wrote:
> External email: Use caution opening links or attachments
>
>
> On Thu, Jun 10, 2021 at 10:18:25AM +1000, Alistair Popple wrote:
> > > > The main problem is split_huge_pmd_address() unconditionally calls a mmu
> > > > notifier so I would
On Wed, Jun 09, 2021 at 07:38:04PM +1000, Alistair Popple wrote:
> On Wednesday, 9 June 2021 4:33:52 AM AEST Peter Xu wrote:
> > On Mon, Jun 07, 2021 at 05:58:52PM +1000, Alistair Popple wrote:
> >
> > [...]
> >
> > > +static bool page_make_device_exclusive_one(struct page *page,
> > > +
On Thursday, 10 June 2021 2:05:06 AM AEST Peter Xu wrote:
> On Wed, Jun 09, 2021 at 07:38:04PM +1000, Alistair Popple wrote:
> > On Wednesday, 9 June 2021 4:33:52 AM AEST Peter Xu wrote:
> > > On Mon, Jun 07, 2021 at 05:58:52PM +1000, Alistair Popple wrote:
[...]
> > For thp this means we could
On Wednesday, 9 June 2021 4:33:52 AM AEST Peter Xu wrote:
> On Mon, Jun 07, 2021 at 05:58:52PM +1000, Alistair Popple wrote:
>
> [...]
>
> > +static bool page_make_device_exclusive_one(struct page *page,
> > + struct vm_area_struct *vma, unsigned long address, void *priv)
> > +{
> >
On Mon, Jun 07, 2021 at 05:58:52PM +1000, Alistair Popple wrote:
[...]
> +static bool page_make_device_exclusive_one(struct page *page,
> + struct vm_area_struct *vma, unsigned long address, void *priv)
> +{
> + struct mm_struct *mm = vma->vm_mm;
> + struct
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