Re: [PATCH v2 2/3] mm: Allow architectures to request 'old' entries when prefaulting

2021-01-11 Thread Kirill A. Shutemov
On Mon, Jan 11, 2021 at 02:37:42PM +, Will Deacon wrote: > On Mon, Jan 11, 2021 at 05:25:33PM +0300, Kirill A. Shutemov wrote: > > On Fri, Jan 08, 2021 at 05:15:16PM +, Will Deacon wrote: > > > diff --git a/mm/filemap.c b/mm/filemap.c > > > index c1f2dc89b8a7..0fb9d1714797 100644 > > > ---

Re: [PATCH v2 2/3] mm: Allow architectures to request 'old' entries when prefaulting

2021-01-11 Thread Will Deacon
On Mon, Jan 11, 2021 at 05:25:33PM +0300, Kirill A. Shutemov wrote: > On Fri, Jan 08, 2021 at 05:15:16PM +, Will Deacon wrote: > > diff --git a/mm/filemap.c b/mm/filemap.c > > index c1f2dc89b8a7..0fb9d1714797 100644 > > --- a/mm/filemap.c > > +++ b/mm/filemap.c > > @@ -3051,14 +3051,18 @@

Re: [PATCH v2 2/3] mm: Allow architectures to request 'old' entries when prefaulting

2021-01-11 Thread Kirill A. Shutemov
On Fri, Jan 08, 2021 at 05:15:16PM +, Will Deacon wrote: > diff --git a/mm/filemap.c b/mm/filemap.c > index c1f2dc89b8a7..0fb9d1714797 100644 > --- a/mm/filemap.c > +++ b/mm/filemap.c > @@ -3051,14 +3051,18 @@ vm_fault_t filemap_map_pages(struct vm_fault *vmf, > if