Re: [PATCH net-next v3 02/18] net: Display info about MSG_SPLICE_PAGES memory handling in proc

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To: Paolo Abeni <pabeni@xxxxxxxxxx>
Subject: Re: [PATCH net-next v3 02/18] net: Display info about MSG_SPLICE_PAGES memory handling in proc
From: David Howells <dhowells@xxxxxxxxxx>
Date: Fri, 23 Jun 2023 10:42:48 +0100
Cc: dhowells@xxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, Alexander Duyck <alexander.duyck@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Eric Dumazet <edumazet@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx>, David Ahern <dsahern@xxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Menglong Dong <imagedong@xxxxxxxxxxx>
In-reply-to: <2ee000f803bd1a099aa8fb02ef79c7b25e5f5b08.camel@redhat.com>
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References: <2ee000f803bd1a099aa8fb02ef79c7b25e5f5b08.camel@redhat.com> <20230620145338.1300897-1-dhowells@redhat.com> <20230620145338.1300897-3-dhowells@redhat.com>

Paolo Abeni <pabeni@xxxxxxxxxx> wrote:

> Have you considered percpu counters instead of the above atomics?

Makes sense, since I've got per-cpu structs anyway.

David

References:
- Re: [PATCH net-next v3 02/18] net: Display info about MSG_SPLICE_PAGES memory handling in proc
  - From: Paolo Abeni
- [PATCH net-next v3 00/18] splice, net: Switch over users of sendpage() and remove it
  - From: David Howells
- [PATCH net-next v3 02/18] net: Display info about MSG_SPLICE_PAGES memory handling in proc
  - From: David Howells

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