From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AEAE9CD343F for ; Mon, 18 May 2026 19:52:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=xcoZwd6NZEfUHZh7T//JHQ0H6dEGcLPgqCMFlRE4XCk=; b=DWMKfJXxJLu3/RD0w88vh4I2qm J/yLnf5DWmHBnN4njt2veDX9jTT+Kqur3i9fWDsmfhVmXP+B/F2UnuQ7Mj77oxIEKVfPsi3nCbHeE u2boFcTKe1Gjad0IF89GCcAXmo8EA48Vt7HDLCakAP5KCuOdSH4B7uefHCmff/0tu4Psqu4tPE6lQ DTQfJu2T8RIK46RY/ruTL3g9kHFRiUAQJI1ENYfvLEpcvgmj/4ZogimLbq0oudxAxnJKm+bHKOlnV Bqmrg2mq/P1B/8GTpM3Wos1z5MhkJq8q6aV3PUYzCV8xTOG+97u5mgBfSoTIxSO8wD+yn2TNlMCN/ mU4Sna1A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wP40L-0000000GnpZ-3aA0; Mon, 18 May 2026 19:51:57 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wP40J-0000000Gnoi-33g8 for linux-arm-kernel@lists.infradead.org; Mon, 18 May 2026 19:51:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id BCAAB43538; Mon, 18 May 2026 19:51:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 71871C2BCB7; Mon, 18 May 2026 19:51:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779133914; bh=0EDZC3hd1XIo9RQYnoioqSdk6FylXyXD32g6lc8WK80=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=A3KTXS+Q/AEBoZ4uNfNUsQ0k+ej9XaXq69rCQFPw1ygtZW43gGcEuMye/wWE45zdM YMDY+mI9YFi+aDyqPtX65ur9P0c1QLANOG7IYdZsxcU5O4TksyH0HhEMICOGFtEsDu NbqOY4ZUq2HB4h+bfnVdA26kN4pBS4xYv5DFT9gazLd16W7FbrqAVkcww8+KXOp2eb jkLATaJa7wZKYa7Y3RhuUVAq34sssOBxg9XNnYenpE4Kl2gYVnA293XdgSXNGs1/Y7 aOE88cBDoObjjaZ5K6sWE4I1ly4Ftfz3HR+tVZRTJvCijUZ6tVmR9iJuQl7V3aRIho Az/hnaRVwWgCA== Date: Mon, 18 May 2026 09:51:53 -1000 From: Tejun Heo To: Peter Zijlstra Cc: David Vernet , Andrea Righi , Changwoo Min , Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Martin KaFai Lau , Kumar Kartikeya Dwivedi , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Andrew Morton , David Hildenbrand , Mike Rapoport , Emil Tsalapatis , sched-ext@lists.linux.dev, bpf@vger.kernel.org, x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 7/8] sched_ext: Sub-allocator over kernel-claimed BPF arena pages Message-ID: References: <20260517211232.1670594-1-tj@kernel.org> <20260517211232.1670594-8-tj@kernel.org> <20260518072042.GP3102624@noisy.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260518072042.GP3102624@noisy.programming.kicks-ass.net> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260518_125155_791733_321028F1 X-CRM114-Status: GOOD ( 10.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello, On Mon, May 18, 2026 at 09:20:42AM +0200, Peter Zijlstra wrote: ... > Should this really be part of scx rather than be part of the bpf-arena > thing proper? It's just a layer on top of arena. If bpf folks are okay with it, I don't see why it can't be a common utility thing on the bpf side. Thanks. -- tejun