Re: [PATCH v5 04/13] mm/shmem: Restrict MFD_INACCESSIBLE memory against RLIMIT_MEMLOCK

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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



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