linux-kernel - Re: + mm-truncateshmem-handle-truncates-that-split-thps-fix-fix.patch added to -mm tree

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Date:   Thu, 3 Dec 2020 14:04:18 -0800 (PST)
From:   Hugh Dickins <hughd@...gle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
cc:     m.szyprowski@...sung.com, qcai@...hat.com, dchinner@...hat.com,
        hannes@...xchg.org, hch@....de, hughd@...gle.com, jack@...e.cz,
        kirill.shutemov@...ux.intel.com, mm-commits@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, william.kucharski@...cle.com,
        willy@...radead.org, yang.shi@...ux.alibaba.com
Subject: Re: + mm-truncateshmem-handle-truncates-that-split-thps-fix-fix.patch
 added to -mm tree

On Wed, 25 Nov 2020, akpm@...ux-foundation.org wrote:
> 
> The patch titled
>      Subject: mm-truncateshmem-handle-truncates-that-split-thps-fix-fix
> has been added to the -mm tree.  Its filename is
>      mm-truncateshmem-handle-truncates-that-split-thps-fix-fix.patch

Andrew, Stephen,

This lot is proving to be a work in progress,
the current state breaks booting on 32-bit, livelocks trinity,
and breaks shmem in more ways than I can quickly explain.
Please revert (in reverse order):

mm-truncateshmem-handle-truncates-that-split-thps.patch
mm-truncateshmem-handle-truncates-that-split-thps-fix.patch
mm-truncateshmem-handle-truncates-that-split-thps-fix-fix.patch
mm-filemap-return-only-head-pages-from-find_get_entries.patch

(I don't think there's any problem with that last patch, but
assume that it relies on ..split-thpfs.patch being in already.)

Thanks,
Hugh