From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8497312E56 for ; Sun, 26 Nov 2023 22:54:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qJJu32y9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68C52C433C7; Sun, 26 Nov 2023 22:54:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701039299; bh=ikD1IcWn7pY0Kg0l7nVoix086nkdC/HUPPp5zrf1b4o=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=qJJu32y9fKFumvgnuECyyu2TS9UMK5Ap6sAmKlCfNCIG1Ao17kQtALBfEDRHWruyO DySl8NfRpcr0kz1FfH4ylkBz9WhCBgh1+yrcz1LlzRXqi0F9fbuqKnm0Y0EkefUhBv +BlB1H8xSLp75zBwmJO7XbcyVO3eU+mrChAMiPaESALpb0qMwVpHK4if+s/SYfXFhh z5cka8YmKQ06Ep6beWWA8c//zo/sCaoGMbvkO8tsW5erj/DaDz8pZtydLkcg8wYb2O CuVWAF09Fi9PHhwx4TTHQM/mIoGXhKf0+nUBa0QWRwhdql1pBW2d92lF+pfo0q6CYZ pehRSiZD2QmSQ== Date: Sun, 26 Nov 2023 14:54:57 -0800 From: Jakub Kicinski To: Alexander Lobakin Cc: "David S. Miller" , Eric Dumazet , Paolo Abeni , Maciej Fijalkowski , Michal Kubiak , Larysa Zaremba , Alexander Duyck , Yunsheng Lin , David Christensen , Jesper Dangaard Brouer , Ilias Apalodimas , Paul Menzel , netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v5 01/14] page_pool: make sure frag API fields don't span between cachelines Message-ID: <20231126145457.400726e4@kernel.org> In-Reply-To: <20231124154732.1623518-2-aleksander.lobakin@intel.com> References: <20231124154732.1623518-1-aleksander.lobakin@intel.com> <20231124154732.1623518-2-aleksander.lobakin@intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 24 Nov 2023 16:47:19 +0100 Alexander Lobakin wrote: > - long frag_users; > + long frag_users __aligned(4 * sizeof(long)); A comment for the somewhat unusual alignment size would be good.