On Thu, Apr 07, 2022 at 04:05:36PM +0000, Sean Christopherson wrote: > Hmm, shmem_writepage() already handles SHM_F_INACCESSIBLE by rejecting the swap, so > maybe it's just the page migration path that needs to be updated? My early version prevented migration with -ENOTSUPP for address_space_operations::migratepage(). What's wrong with that approach? -- Kirill A. Shutemov