On Thu, 8 Apr 2021, Axel Rasmussen wrote:
> On Tue, Apr 6, 2021 at 4:49 PM Peter Xu wrote:
> > On Mon, Apr 05, 2021 at 10:19:17AM -0700, Axel Rasmussen wrote:
...
> > > --- a/mm/userfaultfd.c
> > > +++ b/mm/userfaultfd.c
...
> > > +
> > > + if (is_file_backed) {
> > > + /* The shme
On Tue, Apr 6, 2021 at 4:49 PM Peter Xu wrote:
>
> On Mon, Apr 05, 2021 at 10:19:17AM -0700, Axel Rasmussen wrote:
> > Previously, the continue implementation in shmem_mcopy_atomic_pte was
> > incorrect for two main reasons:
> >
> > - It didn't correctly skip some sections of code which make sense
On Mon, Apr 05, 2021 at 10:19:17AM -0700, Axel Rasmussen wrote:
> Previously, the continue implementation in shmem_mcopy_atomic_pte was
> incorrect for two main reasons:
>
> - It didn't correctly skip some sections of code which make sense for
> newly allocated pages, but absolutely don't make s
Previously, the continue implementation in shmem_mcopy_atomic_pte was
incorrect for two main reasons:
- It didn't correctly skip some sections of code which make sense for
newly allocated pages, but absolutely don't make sense for
pre-existing page cache pages.
- Because shmem_mcopy_continue_
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