linux-kernel - Re: [PATCH net-next v2 07/15] mm: page_frag: add '_va' suffix to page

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Tue, 16 Apr 2024 09:12:01 -0700
From: Alexander H Duyck <alexander.duyck@...il.com>
To: Yunsheng Lin <linyunsheng@...wei.com>, davem@...emloft.net,
 kuba@...nel.org,  pabeni@...hat.com
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Jeroen de Borst
 <jeroendb@...gle.com>, Praveen Kaligineedi <pkaligineedi@...gle.com>, 
 Shailend Chand <shailend@...gle.com>, Eric Dumazet <edumazet@...gle.com>,
 Jesse Brandeburg <jesse.brandeburg@...el.com>, Tony Nguyen
 <anthony.l.nguyen@...el.com>,  Sunil Goutham <sgoutham@...vell.com>, Geetha
 sowjanya <gakula@...vell.com>, Subbaraya Sundeep <sbhatta@...vell.com>,
 hariprasad <hkelam@...vell.com>, Felix Fietkau <nbd@....name>, Sean Wang
 <sean.wang@...iatek.com>, Mark Lee <Mark-MC.Lee@...iatek.com>, Lorenzo
 Bianconi <lorenzo@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, Keith
 Busch <kbusch@...nel.org>,  Jens Axboe <axboe@...nel.dk>, Christoph Hellwig
 <hch@....de>, Sagi Grimberg <sagi@...mberg.me>,  Chaitanya Kulkarni
 <kch@...dia.com>, "Michael S. Tsirkin" <mst@...hat.com>, Jason Wang
 <jasowang@...hat.com>, Andrew Morton <akpm@...ux-foundation.org>, Alexei
 Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
 Jesper Dangaard Brouer <hawk@...nel.org>, John Fastabend
 <john.fastabend@...il.com>, Andrii Nakryiko <andrii@...nel.org>, Martin
 KaFai Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>,
 Song Liu <song@...nel.org>, Yonghong Song <yonghong.song@...ux.dev>, KP
 Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...gle.com>, Hao Luo
 <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,  David Howells
 <dhowells@...hat.com>, Marc Dionne <marc.dionne@...istor.com>, Chuck Lever
 <chuck.lever@...cle.com>, Jeff Layton <jlayton@...nel.org>, Neil Brown
 <neilb@...e.de>, Olga Kornievskaia <kolga@...app.com>, Dai Ngo
 <Dai.Ngo@...cle.com>, Tom Talpey <tom@...pey.com>, Trond Myklebust
 <trond.myklebust@...merspace.com>, Anna Schumaker <anna@...nel.org>, 
 intel-wired-lan@...ts.osuosl.org, linux-arm-kernel@...ts.infradead.org, 
 linux-mediatek@...ts.infradead.org, linux-nvme@...ts.infradead.org, 
 kvm@...r.kernel.org, virtualization@...ts.linux.dev, linux-mm@...ck.org, 
 bpf@...r.kernel.org, linux-afs@...ts.infradead.org,
 linux-nfs@...r.kernel.org
Subject: Re: [PATCH net-next v2 07/15] mm: page_frag: add '_va' suffix to
 page_frag API

On Mon, 2024-04-15 at 21:19 +0800, Yunsheng Lin wrote:
> Currently most of the API for page_frag API is returning
> 'virtual address' as output or expecting 'virtual address'
> as input, in order to differentiate the API handling between
> 'virtual address' and 'struct page', add '_va' suffix to the
> corresponding API mirroring the page_pool_alloc_va() API of
> the page_pool.
> 
> Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>

This patch is a total waste of time. By that logic we should be
renaming __get_free_pages since it essentially does the same thing.

This just seems like more code changes for the sake of adding code
changes rather than fixing anything. In my opinion it should be dropped
from the set.