linux-kernel - Re: [PATCH v2 00/13] mm/munlock: rework of mlock+munlock page handling

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Date:   Tue, 15 Feb 2022 19:35:57 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Hugh Dickins <hughd@...gle.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Kirill A. Shutemov" <kirill@...temov.name>,
        David Hildenbrand <david@...hat.com>,
        Alistair Popple <apopple@...dia.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Rik van Riel <riel@...riel.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Yu Zhao <yuzhao@...gle.com>, Greg Thelen <gthelen@...gle.com>,
        Shakeel Butt <shakeelb@...gle.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v2 00/13] mm/munlock: rework of mlock+munlock page
 handling

On Mon, Feb 14, 2022 at 06:18:34PM -0800, Hugh Dickins wrote:
> Andrew, many thanks for including v1 and fixes in mmotm: please now replace
> 
> mm-munlock-delete-page_mlock-and-all-its-works.patch
> mm-munlock-delete-foll_mlock-and-foll_populate.patch
> mm-munlock-delete-munlock_vma_pages_all-allow-oomreap.patch
> mm-munlock-rmap-call-mlock_vma_page-munlock_vma_page.patch
> mm-munlock-replace-clear_page_mlock-by-final-clearance.patch
> mm-munlock-maintain-page-mlock_count-while-unevictable.patch
> mm-munlock-mlock_pte_range-when-mlocking-or-munlocking.patch
> mm-migrate-__unmap_and_move-push-good-newpage-to-lru.patch
> mm-munlock-delete-smp_mb-from-__pagevec_lru_add_fn.patch
> mm-munlock-mlock_page-munlock_page-batch-by-pagevec.patch
> mm-munlock-mlock_page-munlock_page-batch-by-pagevec-fix.patch
> mm-munlock-mlock_page-munlock_page-batch-by-pagevec-fix-2.patch
> mm-munlock-page-migration-needs-mlock-pagevec-drained.patch
> mm-thp-collapse_file-do-try_to_unmapttu_batch_flush.patch
> mm-thp-shrink_page_list-avoid-splitting-vm_locked-thp.patch
> 
> by the following thirteen of v2. As before, some easy fixups will be
> needed to apply in mm/huge_memory.c, but otherwise expected to be clean.
> 
> Many thanks to Vlastimil Babka for his review of 01 through 11, and
> to Matthew Wilcox for graciously volunteering to rebase his over these.

I have now pushed these 13 patches to my for-next branch:

git://git.infradead.org/users/willy/pagecache.git for-next

and rebased my folio patches on top.  Mostly that involved dropping
my mlock-related patches, although there were a few other adjustments
that needed to be made.  That should make Stephen's merge resolution
much easier once Andrew drops v1 of these patches from his tree.