From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792676624; b=cXAcgHTfRiheUw0ukrnhIIQOy1sI0W67zRmq3Ukx9UDXtCg4HDgSaa/SlYe1SrXAfUE7 ghI8vhsLywBMq6Tho6jmIAatyxOfRvZ06a/EfQj2bj3AURw1iia60DCJ72ZoSiKt6Dqq8 rBPTZqFdefHWOy95AxnAKr3bCRXP0Aa4B9vxleEj9XVC2j8XXK+icZDt0zqqBkaEErDau MaLCN4hL1hMrWNqGgnWwkOXa+nff3hofLWzfZVpgwm61HwDISpCx5oqy6YDAc2yVFE7KX 3S+cFKyQuXpZZAUQYh4dpv8s5pO2taNOX+66DevHbngiwp/aXfSPpKnLYu385ygoPWw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792676624; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=JfIOramtLWCfF2fj5VyatXzHdLxQiImQY8A2BeyheHw=; b=mhpG+h5AUSARo8mPgqD3al7UKGpywMP+S2AQBAHOULBh9uUKadUka75eGTWV5ycTrKh/ /c5OI9jHcMK1ROO1pI4/O5jaN8x5ZtoI1duDwSD/qUq9ut1VenCQ4w/Vf/J+KhXh1k1tZ rXBzDEwWf8WJGJjgZmkRsM//IWjwxtxj4uM+38sSmO8iKgh9/mwuyfelaSZ++oVOO3cDG ROmSlqQrFFgGZmyspfGdkt+7o/iQAjThiJ/QgzGV3Xk5FxjoNegbRaKa4qs/SpWrGD4K/ ciE8efCk2xJ8W6BlpUCSRHfXCDXwINuu8PxCDAyaRywABc5XLUJwz2dvHfXhX509LUA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=ZpkohZ1h; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3A11860A2631; Thu, 22 Oct 2026 13:43:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=ZpkohZ1h Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6CCBE1F000C1; Thu, 22 Oct 2026 13:43:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792676623; bh=JfIOramtLWCfF2fj5VyatXzHdLxQiImQY8A2BeyheHw=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ZpkohZ1hNfp06ULQCWHIWTKxOV83W2+3xIQY1UqscDgT5MRTuhu1eFEeL8vRIaEFn nosXBi8CF/TArGD8eh/Hs2tPaXOIQFYLQsmGzi214WeTI7DC+/L3m+Aodxdcd8kfru yeWaSmesq4At99wK4HPA/poSxHJVwqtTGaxD7hiNj/9u2PoSIYipWwI7baxjKrEiyu GfAo2oslWyMHRx1a83s4U2oMqZx1mn1KnP1wwMK70j89m/i9ILbcIWQQfwgqSpv0pq UeI96x2EnbKp4Fo3HOc53l3fPmgxMK67NikaYIq8VSIPS5seS9as9HSCy2pzIgL39Z Awkb9/8hyWz6g== Date: Thu, 22 Oct 2026 14:43:42 +0100 From: Harry Yoo To: Jakub Kicinski Cc: Vlastimil Babka , Andrew Morton , Suren Baghdasaryan , Johannes Weiner , Michal Hocko , Shakeel Butt , Roman Gushchin , Hao Li , Christoph Lameter , David Rientjes , Muchun Song , Hao Ge , Pedro Falcato , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, "David S. 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: 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-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261021121941.4d8f8edf@kernel.org> Hi Jakub, 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... Thanks! -- Cheers, Harry / Hyeonggon