Re: [PATCH v4 5/5] selftests/mm: add UFFDIO_MOVE ioctl test

2023-10-30 Thread Suren Baghdasaryan
On Mon, Oct 30, 2023 at 1:35 PM Peter Xu wrote: > > On Mon, Oct 30, 2023 at 01:22:02PM -0700, Suren Baghdasaryan wrote: > > > > +static int adjust_page_size(void) > > > > +{ > > > > + page_size = default_huge_page_size(); > > > > > > This is hacky too, currently page_size is the real page_size

Re: [PATCH v4 5/5] selftests/mm: add UFFDIO_MOVE ioctl test

2023-10-30 Thread Peter Xu
On Mon, Oct 30, 2023 at 01:22:02PM -0700, Suren Baghdasaryan wrote: > > > +static int adjust_page_size(void) > > > +{ > > > + page_size = default_huge_page_size(); > > > > This is hacky too, currently page_size is the real page_size backing the > > memory. > > > > To make thp test simple, maybe

Re: [PATCH v4 5/5] selftests/mm: add UFFDIO_MOVE ioctl test

2023-10-30 Thread Suren Baghdasaryan
On Mon, Oct 30, 2023 at 1:14 PM Peter Xu wrote: > > On Fri, Oct 27, 2023 at 05:38:15PM -0700, Suren Baghdasaryan wrote: > > Add tests for new UFFDIO_MOVE ioctl which uses uffd to move source > > into destination buffer while checking the contents of both after > > the move. After the operation the

Re: [PATCH v4 5/5] selftests/mm: add UFFDIO_MOVE ioctl test

2023-10-30 Thread Peter Xu
On Fri, Oct 27, 2023 at 05:38:15PM -0700, Suren Baghdasaryan wrote: > Add tests for new UFFDIO_MOVE ioctl which uses uffd to move source > into destination buffer while checking the contents of both after > the move. After the operation the content of the destination buffer > should match the origi

[PATCH v4 5/5] selftests/mm: add UFFDIO_MOVE ioctl test

2023-10-27 Thread Suren Baghdasaryan
Add tests for new UFFDIO_MOVE ioctl which uses uffd to move source into destination buffer while checking the contents of both after the move. After the operation the content of the destination buffer should match the original source buffer's content while the source buffer should be zeroed. Separa