Re: [PATCH v6 00/33] Split ptdesc from struct page

2023-06-28 Thread Matthew Wilcox
On Wed, Jun 28, 2023 at 09:41:18AM +0200, David Hildenbrand wrote: > I'm not a friend of these "overlays"; it all only really makes sense to me > once we actually allocate the descriptors dynamically. Maybe some of the > existing/ongoing conversions were different (that's why I was asking for the >

Re: [PATCH v6 00/33] Split ptdesc from struct page

2023-06-28 Thread David Hildenbrand
On 27.06.23 22:13, Hugh Dickins wrote: On Tue, 27 Jun 2023, David Hildenbrand wrote: On 27.06.23 06:44, Hugh Dickins wrote: On Mon, 26 Jun 2023, Vishal Moola (Oracle) wrote: The MM subsystem is trying to shrink struct page. This patchset introduces a memory descriptor for page table tracking