On Tue, 2 Feb 2021, Axel Rasmussen wrote:
> On Tue, Feb 2, 2021 at 1:03 PM Hugh Dickins wrote:
> > On Tue, 2 Feb 2021, Axel Rasmussen wrote:
> >
> > > For background, mm/userfaultfd.c provides a general mcopy_atomic
> > > implementation. But some types of memory (e.g., hugetlb and shmem) need
> >
On 2/2/21 12:31 PM, Axel Rasmussen wrote:
> For background, mm/userfaultfd.c provides a general mcopy_atomic
> implementation. But some types of memory (e.g., hugetlb and shmem) need
> a slightly different implementation, so they provide their own helpers
> for this. In other words, userfaultfd is
On Tue, Feb 2, 2021 at 1:03 PM Hugh Dickins wrote:
>
> On Tue, 2 Feb 2021, Axel Rasmussen wrote:
>
> > For background, mm/userfaultfd.c provides a general mcopy_atomic
> > implementation. But some types of memory (e.g., hugetlb and shmem) need
> > a slightly different implementation, so they
On Tue, 2 Feb 2021, Axel Rasmussen wrote:
> For background, mm/userfaultfd.c provides a general mcopy_atomic
> implementation. But some types of memory (e.g., hugetlb and shmem) need
> a slightly different implementation, so they provide their own helpers
> for this. In other words, userfaultfd
On Tue, Feb 02, 2021 at 12:31:27PM -0800, Axel Rasmussen wrote:
> For background, mm/userfaultfd.c provides a general mcopy_atomic
> implementation. But some types of memory (e.g., hugetlb and shmem) need
> a slightly different implementation, so they provide their own helpers
> for this. In other
For background, mm/userfaultfd.c provides a general mcopy_atomic
implementation. But some types of memory (e.g., hugetlb and shmem) need
a slightly different implementation, so they provide their own helpers
for this. In other words, userfaultfd is the only caller of this
function.
This patch
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