Re: [RFC PATCH 02/28] Add a special allocator for staging netfs protocol to MSG_SPLICE_PAGES

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To: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Subject: Re: [RFC PATCH 02/28] Add a special allocator for staging netfs protocol to MSG_SPLICE_PAGES
From: David Howells <dhowells@xxxxxxxxxx>
Date: Thu, 16 Mar 2023 18:00:36 +0000
Cc: dhowells@xxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Paolo Abeni <pabeni@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, netdev@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Bernard Metzler <bmt@xxxxxxxxxxxxxx>, Tom Talpey <tom@xxxxxxxxxx>, linux-rdma@xxxxxxxxxxxxxxx
In-reply-to: <ZBNRysLdgZsfVaSj@casper.infradead.org>
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References: <ZBNRysLdgZsfVaSj@casper.infradead.org> <20230316152618.711970-1-dhowells@redhat.com> <20230316152618.711970-3-dhowells@redhat.com>

Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:

> This feels a _lot_ like the page_frag allocator.  Can the two be
> unified?

Looks kind of similar.  I might well be able to use that instead.

David

References:
- Re: [RFC PATCH 02/28] Add a special allocator for staging netfs protocol to MSG_SPLICE_PAGES
  - From: Matthew Wilcox
- [RFC PATCH 00/28] splice, net: Replace sendpage with sendmsg(MSG_SPLICE_PAGES)
  - From: David Howells
- [RFC PATCH 02/28] Add a special allocator for staging netfs protocol to MSG_SPLICE_PAGES
  - From: David Howells

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