From: Mel Gorman <mgorman@techsingularity.net>
To: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Chuck Lever <chuck.lever@oracle.com>,
"mgorman@suse.de" <mgorman@suse.de>,
Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: alloc_pages_bulk()
Date: Wed, 10 Feb 2021 08:41:55 +0000 [thread overview]
Message-ID: <20210210084155.GA3697@techsingularity.net> (raw)
In-Reply-To: <20210209113108.1ca16cfa@carbon>
On Tue, Feb 09, 2021 at 11:31:08AM +0100, Jesper Dangaard Brouer wrote:
> > > Neil Brown pointed me to this old thread:
> > >
> > > https://lore.kernel.org/lkml/20170109163518.6001-1-mgorman@techsingularity.net/
> > >
> > > We see that many of the prerequisites are in v5.11-rc, but
> > > alloc_page_bulk() is not. I tried forward-porting 4/4 in that
> > > series, but enough internal APIs have changed since 2017 that
> > > the patch does not come close to applying and compiling.
>
> I forgot that this was never merged. It is sad as Mel showed huge
> improvement with his work.
>
> > > I'm wondering:
> > >
> > > a) is there a newer version of that work?
> > >
>
> Mel, why was this work never merged upstream?
>
Lack of realistic consumers to drive it forward, finalise the API and
confirm it was working as expected. It eventually died as a result. If it
was reintroduced, it would need to be forward ported and then implement
at least one user on top.
--
Mel Gorman
SUSE Labs
next prev parent reply other threads:[~2021-02-10 8:53 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 15:42 alloc_pages_bulk() Chuck Lever
2021-02-08 17:50 ` Fwd: alloc_pages_bulk() Chuck Lever
2021-02-09 10:31 ` alloc_pages_bulk() Jesper Dangaard Brouer
2021-02-09 13:37 ` alloc_pages_bulk() Chuck Lever
2021-02-09 17:27 ` alloc_pages_bulk() Vlastimil Babka
2021-02-10 9:51 ` alloc_pages_bulk() Christoph Hellwig
2021-02-10 8:41 ` Mel Gorman [this message]
2021-02-10 11:41 ` alloc_pages_bulk() Jesper Dangaard Brouer
2021-02-10 13:07 ` alloc_pages_bulk() Mel Gorman
2021-02-10 22:58 ` alloc_pages_bulk() Chuck Lever
2021-02-11 9:12 ` alloc_pages_bulk() Mel Gorman
2021-02-11 12:26 ` alloc_pages_bulk() Jesper Dangaard Brouer
2021-02-15 12:00 ` alloc_pages_bulk() Mel Gorman
2021-02-15 16:10 ` alloc_pages_bulk() Jesper Dangaard Brouer
2021-02-22 9:42 ` alloc_pages_bulk() Mel Gorman
2021-02-22 11:42 ` alloc_pages_bulk() Jesper Dangaard Brouer
2021-02-22 14:08 ` alloc_pages_bulk() Mel Gorman
2021-02-11 16:20 ` alloc_pages_bulk() Chuck Lever
2021-02-15 12:06 ` alloc_pages_bulk() Mel Gorman
2021-02-15 16:00 ` alloc_pages_bulk() Chuck Lever
2021-02-22 20:44 ` alloc_pages_bulk() Jesper Dangaard Brouer
2021-02-09 22:01 ` Fwd: alloc_pages_bulk() Matthew Wilcox
2021-02-09 22:55 ` alloc_pages_bulk() Chuck Lever
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