On Mon, Nov 23, 2020 at 01:52:13PM -0800, Mike Kravetz wrote:
> On 11/22/20 11:38 PM, Michal Hocko wrote:
> > On Fri 20-11-20 09:45:12, Mike Kravetz wrote:
> >> Not sure if I agree with that last statement. Database and virtualization
> >> use cases from my employer allocate allocate hugetlb
On 11/22/20 11:38 PM, Michal Hocko wrote:
> On Fri 20-11-20 09:45:12, Mike Kravetz wrote:
>> On 11/20/20 1:43 AM, David Hildenbrand wrote:
> [...]
> To keep things easy, maybe simply never allow to free these hugetlb pages
> again for now? If they were reserved during boot and the vmemmap
On Mon 23-11-20 12:45:13, Matthew Wilcox wrote:
> On Mon, Nov 23, 2020 at 11:42:58AM +0100, Michal Hocko wrote:
> > On Mon 23-11-20 18:36:33, Muchun Song wrote:
> > > > No I really mean that pfn_to_page will give you a struct page pointer
> > > > from pages which you release from the vmemmap page
On Mon, Nov 23, 2020 at 11:42:58AM +0100, Michal Hocko wrote:
> On Mon 23-11-20 18:36:33, Muchun Song wrote:
> > > No I really mean that pfn_to_page will give you a struct page pointer
> > > from pages which you release from the vmemmap page tables. Those pages
> > > might get reused as soon sa
On Mon 23-11-20 20:40:40, Muchun Song wrote:
> On Mon, Nov 23, 2020 at 8:18 PM Michal Hocko wrote:
> >
> > On Mon 23-11-20 20:07:23, Muchun Song wrote:
> > > On Mon, Nov 23, 2020 at 7:32 PM Michal Hocko wrote:
> > [...]
> > > > > > > > No I really mean that pfn_to_page will give you a struct
On Mon, Nov 23, 2020 at 8:45 PM Matthew Wilcox wrote:
>
> On Mon, Nov 23, 2020 at 11:42:58AM +0100, Michal Hocko wrote:
> > On Mon 23-11-20 18:36:33, Muchun Song wrote:
> > > > No I really mean that pfn_to_page will give you a struct page pointer
> > > > from pages which you release from the
On Mon, Nov 23, 2020 at 8:18 PM Michal Hocko wrote:
>
> On Mon 23-11-20 20:07:23, Muchun Song wrote:
> > On Mon, Nov 23, 2020 at 7:32 PM Michal Hocko wrote:
> [...]
> > > > > > > No I really mean that pfn_to_page will give you a struct page
> > > > > > > pointer
> > > > > > > from pages which
On Mon 23-11-20 20:07:23, Muchun Song wrote:
> On Mon, Nov 23, 2020 at 7:32 PM Michal Hocko wrote:
[...]
> > > > > > No I really mean that pfn_to_page will give you a struct page
> > > > > > pointer
> > > > > > from pages which you release from the vmemmap page tables. Those
> > > > > > pages
>
On Mon, Nov 23, 2020 at 7:32 PM Michal Hocko wrote:
>
> On Mon 23-11-20 19:16:18, Muchun Song wrote:
> > On Mon, Nov 23, 2020 at 6:43 PM Michal Hocko wrote:
> > >
> > > On Mon 23-11-20 18:36:33, Muchun Song wrote:
> > > > On Mon, Nov 23, 2020 at 5:43 PM Michal Hocko wrote:
> > > > >
> > > > >
On Mon 23-11-20 19:16:18, Muchun Song wrote:
> On Mon, Nov 23, 2020 at 6:43 PM Michal Hocko wrote:
> >
> > On Mon 23-11-20 18:36:33, Muchun Song wrote:
> > > On Mon, Nov 23, 2020 at 5:43 PM Michal Hocko wrote:
> > > >
> > > > On Mon 23-11-20 16:53:53, Muchun Song wrote:
> > > > > On Mon, Nov 23,
On Mon, Nov 23, 2020 at 6:43 PM Michal Hocko wrote:
>
> On Mon 23-11-20 18:36:33, Muchun Song wrote:
> > On Mon, Nov 23, 2020 at 5:43 PM Michal Hocko wrote:
> > >
> > > On Mon 23-11-20 16:53:53, Muchun Song wrote:
> > > > On Mon, Nov 23, 2020 at 3:40 PM Michal Hocko wrote:
> > > > >
> > > > >
On Mon 23-11-20 18:36:33, Muchun Song wrote:
> On Mon, Nov 23, 2020 at 5:43 PM Michal Hocko wrote:
> >
> > On Mon 23-11-20 16:53:53, Muchun Song wrote:
> > > On Mon, Nov 23, 2020 at 3:40 PM Michal Hocko wrote:
> > > >
> > > > On Fri 20-11-20 23:44:26, Muchun Song wrote:
> > > > > On Fri, Nov 20,
On Mon, Nov 23, 2020 at 5:43 PM Michal Hocko wrote:
>
> On Mon 23-11-20 16:53:53, Muchun Song wrote:
> > On Mon, Nov 23, 2020 at 3:40 PM Michal Hocko wrote:
> > >
> > > On Fri 20-11-20 23:44:26, Muchun Song wrote:
> > > > On Fri, Nov 20, 2020 at 9:11 PM Michal Hocko wrote:
> > > > >
> > > > >
On Mon 23-11-20 16:53:53, Muchun Song wrote:
> On Mon, Nov 23, 2020 at 3:40 PM Michal Hocko wrote:
> >
> > On Fri 20-11-20 23:44:26, Muchun Song wrote:
> > > On Fri, Nov 20, 2020 at 9:11 PM Michal Hocko wrote:
> > > >
> > > > On Fri 20-11-20 20:40:46, Muchun Song wrote:
> > > > > On Fri, Nov 20,
On Mon, Nov 23, 2020 at 3:40 PM Michal Hocko wrote:
>
> On Fri 20-11-20 23:44:26, Muchun Song wrote:
> > On Fri, Nov 20, 2020 at 9:11 PM Michal Hocko wrote:
> > >
> > > On Fri 20-11-20 20:40:46, Muchun Song wrote:
> > > > On Fri, Nov 20, 2020 at 4:42 PM Michal Hocko wrote:
> > > > >
> > > > >
On Fri 20-11-20 23:44:26, Muchun Song wrote:
> On Fri, Nov 20, 2020 at 9:11 PM Michal Hocko wrote:
> >
> > On Fri 20-11-20 20:40:46, Muchun Song wrote:
> > > On Fri, Nov 20, 2020 at 4:42 PM Michal Hocko wrote:
> > > >
> > > > On Fri 20-11-20 14:43:04, Muchun Song wrote:
> > > > [...]
> > > >
> >
On Fri 20-11-20 09:45:12, Mike Kravetz wrote:
> On 11/20/20 1:43 AM, David Hildenbrand wrote:
[...]
> >>> To keep things easy, maybe simply never allow to free these hugetlb pages
> >>> again for now? If they were reserved during boot and the vmemmap
> >>> condensed,
> >>> then just let them
On Sat, Nov 21, 2020 at 1:47 AM Mike Kravetz wrote:
>
> On 11/20/20 1:43 AM, David Hildenbrand wrote:
> > On 20.11.20 10:39, Michal Hocko wrote:
> >> On Fri 20-11-20 10:27:05, David Hildenbrand wrote:
> >>> On 20.11.20 09:42, Michal Hocko wrote:
> On Fri 20-11-20 14:43:04, Muchun Song wrote:
On 20.11.20 18:45, Mike Kravetz wrote:
On 11/20/20 1:43 AM, David Hildenbrand wrote:
On 20.11.20 10:39, Michal Hocko wrote:
On Fri 20-11-20 10:27:05, David Hildenbrand wrote:
On 20.11.20 09:42, Michal Hocko wrote:
On Fri 20-11-20 14:43:04, Muchun Song wrote:
[...]
Thanks for improving the
On 11/20/20 1:43 AM, David Hildenbrand wrote:
> On 20.11.20 10:39, Michal Hocko wrote:
>> On Fri 20-11-20 10:27:05, David Hildenbrand wrote:
>>> On 20.11.20 09:42, Michal Hocko wrote:
On Fri 20-11-20 14:43:04, Muchun Song wrote:
[...]
Thanks for improving the cover letter and
On Fri, Nov 20, 2020 at 9:11 PM Michal Hocko wrote:
>
> On Fri 20-11-20 20:40:46, Muchun Song wrote:
> > On Fri, Nov 20, 2020 at 4:42 PM Michal Hocko wrote:
> > >
> > > On Fri 20-11-20 14:43:04, Muchun Song wrote:
> > > [...]
> > >
> > > Thanks for improving the cover letter and providing some
On Fri 20-11-20 20:40:46, Muchun Song wrote:
> On Fri, Nov 20, 2020 at 4:42 PM Michal Hocko wrote:
> >
> > On Fri 20-11-20 14:43:04, Muchun Song wrote:
> > [...]
> >
> > Thanks for improving the cover letter and providing some numbers. I have
> > only glanced through the patchset because I didn't
On Fri, Nov 20, 2020 at 4:42 PM Michal Hocko wrote:
>
> On Fri 20-11-20 14:43:04, Muchun Song wrote:
> [...]
>
> Thanks for improving the cover letter and providing some numbers. I have
> only glanced through the patchset because I didn't really have more time
> to dive depply into them.
>
>
On 20.11.20 10:39, Michal Hocko wrote:
On Fri 20-11-20 10:27:05, David Hildenbrand wrote:
On 20.11.20 09:42, Michal Hocko wrote:
On Fri 20-11-20 14:43:04, Muchun Song wrote:
[...]
Thanks for improving the cover letter and providing some numbers. I have
only glanced through the patchset
On Fri 20-11-20 10:27:05, David Hildenbrand wrote:
> On 20.11.20 09:42, Michal Hocko wrote:
> > On Fri 20-11-20 14:43:04, Muchun Song wrote:
> > [...]
> >
> > Thanks for improving the cover letter and providing some numbers. I have
> > only glanced through the patchset because I didn't really
On 20.11.20 09:42, Michal Hocko wrote:
On Fri 20-11-20 14:43:04, Muchun Song wrote:
[...]
Thanks for improving the cover letter and providing some numbers. I have
only glanced through the patchset because I didn't really have more time
to dive depply into them.
Overall it looks promissing. To
On Fri 20-11-20 14:43:04, Muchun Song wrote:
[...]
Thanks for improving the cover letter and providing some numbers. I have
only glanced through the patchset because I didn't really have more time
to dive depply into them.
Overall it looks promissing. To summarize. I would prefer to not have
the
Hi all,
This patch series will free some vmemmap pages(struct page structures)
associated with each hugetlbpage when preallocated to save memory.
The struct page structures (page structs) are used to describe a physical
page frame. By default, there is a one-to-one mapping from a page frame to
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