linux-kernel - Re: remove Xen tmem leftovers

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Message-ID: <10ec73d4-6658-4f60-abe1-84ece53ca373@redhat.com>
Date:   Tue, 4 Jan 2022 15:31:20 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Christoph Hellwig <hch@....de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:     Hugh Dickins <hughd@...gle.com>,
        Seth Jennings <sjenning@...hat.com>,
        Dan Streetman <ddstreet@...e.org>,
        Vitaly Wool <vitaly.wool@...sulko.com>,
        Matthew Wilcox <willy@...radead.org>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: remove Xen tmem leftovers

On 24.12.21 07:22, Christoph Hellwig wrote:
> Hi all,
> 
> since the remove of the Xen tmem driver in 2019, the cleancache hooks are
> entirely unused, as are large parts of frontswap.  This series against
> linux-next (with the folio changes included) removes cleancaches, and cuts
> down frontswap to the bits actually used by zswap.
> 

Just out of curiosity, why was tmem removed from Linux (or even Xen?).
Do you have any information?

Happy to see this cleanup.

-- 
Thanks,

David / dhildenb