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Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Jason Xing , Willem de Bruijn , Mina Almasry , =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= , Sebastian Andrzej Siewior , Jiayuan Chen , netdev@vger.kernel.org Subject: Re: [PATCH slab/for-next 05/14] net: skbuff: specify SLAB_MAY_ACCOUNT for skbuff_head_cache Message-ID: <20261023105650.393c8fc8@kernel.org> In-Reply-To: References: <20261021-memalloc-prof-dont-waste-slabobj-ext-metadata-v1-0-096800aa3330@kernel.org> <20261021-memalloc-prof-dont-waste-slabobj-ext-metadata-v1-5-096800aa3330@kernel.org> <20261021121941.4d8f8edf@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: DC71680002 X-Stat-Signature: y7f5c4bz4aiodtmpjkrkbwh61rusjmfx X-Rspamd-Server: rspam04 X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Rspam-User: X-HE-Tag: 1792778212-802188 X-HE-Meta: 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 hK/8si+x B2lXHZQpNx+A3dahqSuTDJXkSlJQeGMS/18l3p91oazaMEr3VTenieznlEqkT7sWTldT3xTkbEFxmUTxp3xR6FjaZwGAec1fvyLUGHd6JiyOKn73gKbdCMRrHRbtrsP/uwQQ7OeB5SNmAMmqWAZ4+PTaktd+JLS/9ZiU7pMVTPsl1/fQA/mKDi5rs5qXSCmKaFFJNoNlGfdtd/+kYu89AZ91rVMxb6njdQQBkquDBlEhDpzjl4qf9PiL2AOgKzkpcKRTZrY5V+VqGfj8E0asXJNkl3cq0yk8YY0NM83UzXPsRlFEKXR40i+LhnwwQNG9upw6eR0TKmCQMnJ0= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Thu, 22 Oct 2026 14:43:42 +0100 Harry Yoo wrote: > On Wed, Oct 21, 2026 at 12:19:41PM -0700, Jakub Kicinski wrote: > > On Wed, 21 Oct 2026 12:46:46 +0100 Harry Yoo (Meta) wrote: > > > AF_UNIX sets sk->sk_allocation to GFP_KERNEL_ACCOUNT, so skbs can be > > > allocated from skbuff_head_cache with __GFP_ACCOUNT. Specify > > > SLAB_MAY_ACCOUNT when the object may be charged to a memcg. > > > __GFP_ACCOUNT without SLAB_MAY_ACCOUNT will not be allowed. > > > > Could you please skip this for the first batch and resend > > later to net-next? > > Apologies. Wasn't keen to the net-next development process. > > I can resubmit later, but hmm, actually, do you mind if we let it go > through slab/for-next with Acked-by: from networking folks? > > It's only few lines of change and it'll create a lot of dependency for > pull requests if each patch goes through each subsystem's tree... Think I misread the cover letter. Acked-by: Jakub Kicinski