[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v5 04/13] mm/shmem: Restrict MFD_INACCESSIBLE memory against
From: |
Chao Peng |
Subject: |
Re: [PATCH v5 04/13] mm/shmem: Restrict MFD_INACCESSIBLE memory against RLIMIT_MEMLOCK |
Date: |
Tue, 12 Apr 2022 21:39:25 +0800 |
User-agent: |
Mutt/1.9.4 (2018-02-28) |
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
Re: [PATCH v5 04/13] mm/shmem: Restrict MFD_INACCESSIBLE memory against RLIMIT_MEMLOCK, Chao Peng, 2022/04/08
Re: [PATCH v5 04/13] mm/shmem: Restrict MFD_INACCESSIBLE memory against RLIMIT_MEMLOCK, Kirill A. Shutemov, 2022/04/11
- Re: [PATCH v5 04/13] mm/shmem: Restrict MFD_INACCESSIBLE memory against RLIMIT_MEMLOCK,
Chao Peng <=