On Tue, Mar 19, 2019 at 03:41:33PM +0100, Oscar Salvador wrote: > On Tue, Mar 19, 2019 at 05:26:39PM +0300, Kirill A. Shutemov wrote: > > That's all sounds reasonable. > > > > We only need to make sure the bug fixed by 77bf45e78050 will not be > > re-introduced. > > I gave it a spin with the below patch. > Your testcase works (so the bug is not re-introduced), and we get -EIO > when running the ltp test [1]. > So unless I am missing something, it should be enough. Don't we need to bypass !vma_migratable(vma) check in queue_pages_test_walk() for MPOL_MF_STRICT? I mean user still might want to check if all pages are on the right not even the vma is not migratable. -- Kirill A. Shutemov
