Re: [PATCH 0/7] Record the mm_struct in the page table pages

2020-05-24 Thread Mike Rapoport
On Tue, Apr 28, 2020 at 06:51:26PM -0700, Matthew Wilcox wrote: > On Wed, Apr 29, 2020 at 03:26:24AM +0300, Kirill A. Shutemov wrote: > > On Tue, Apr 28, 2020 at 12:44:42PM -0700, Matthew Wilcox wrote: > > > From: "Matthew Wilcox (Oracle)" > > > > > > Pages which are in use as page tables have

Re: [PATCH 0/7] Record the mm_struct in the page table pages

2020-04-28 Thread Matthew Wilcox
On Wed, Apr 29, 2020 at 03:26:24AM +0300, Kirill A. Shutemov wrote: > On Tue, Apr 28, 2020 at 12:44:42PM -0700, Matthew Wilcox wrote: > > From: "Matthew Wilcox (Oracle)" > > > > Pages which are in use as page tables have some space unused in struct > > page. It would be handy to have a pointer

Re: [PATCH 0/7] Record the mm_struct in the page table pages

2020-04-28 Thread Kirill A. Shutemov
On Tue, Apr 28, 2020 at 12:44:42PM -0700, Matthew Wilcox wrote: > From: "Matthew Wilcox (Oracle)" > > Pages which are in use as page tables have some space unused in struct > page. It would be handy to have a pointer to the struct mm_struct that > they belong to so that we can handle

[PATCH 0/7] Record the mm_struct in the page table pages

2020-04-28 Thread Matthew Wilcox
From: "Matthew Wilcox (Oracle)" Pages which are in use as page tables have some space unused in struct page. It would be handy to have a pointer to the struct mm_struct that they belong to so that we can handle uncorrectable errors in page tables more gracefully. There are a few other things