On Mon, Apr 11, 2022 at 06:32:33PM +0300, Kirill A. Shutemov wrote: > 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? I previously thought migratepage will not be called since we already marked the pages as UNMOVABLE, sounds not correct? Thanks, Chao > > -- > Kirill A. Shutemov
