Re: [PATCH v5 04/13] mm/shmem: Restrict MFD_INACCESSIBLE memory against RLIMIT_MEMLOCK
From: Kirill A. Shutemov
Date: Mon Apr 11 2022 - 11:32:11 EST
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