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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ld4-20020a170902fac400b001b86e3129e2si5811934plb.9.2023.08.07.13.04.49; Mon, 07 Aug 2023 13:05:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=PLWdHUGT; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230302AbjHGS44 (ORCPT + 99 others); Mon, 7 Aug 2023 14:56:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42522 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229998AbjHGS4y (ORCPT ); Mon, 7 Aug 2023 14:56:54 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B3D7172A; Mon, 7 Aug 2023 11:56:53 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1691434611; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=L9kvFDfJK/VpB6H983DpvtzblFv1rzHcuGaRNzchB/w=; b=PLWdHUGTPIi0Q9xYqJtWserm2QJ2NQjjXIv2WYV/UIyxGuveFkZ7rOp6PkjyMovt0zUcPN SyZyx398pr5deNyametvyXlppxMRY/Vycxdpoz3YJZkazoMGCs+6ekf6qyEE+QKwsrvT4v 9ZorphosC5ftnTCQEFecbtRqXWZdWf8Bvul6wNkh6yXJUr7oljJy/E4wW16t6dwNJ8HL3F XgFR8/WZ3Sxs5pfOJxVVDtq/o7e6PoB58vBBjkQ92OKODKHgOfI4y+niz4ZjX4RN6Sl72D QW5lQRG8y/45neF5y7DFNb2ghXPgsi/2q+LkH6szpAp2qEI8WeeXA4yaNaN8DQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1691434611; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=L9kvFDfJK/VpB6H983DpvtzblFv1rzHcuGaRNzchB/w=; b=7tiSmGGQa2wDUJU0+X2ovrxtd2Nyo/07cWAsSaot6S7MuZyjqbwXWW1u/mjWDtF3RGT7et HPLkFj1vuSmo4DCw== To: Peter Zijlstra , axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@redhat.com, dvhart@infradead.org, dave@stgolabs.net, andrealmeid@igalia.com, Andrew Morton , urezki@gmail.com, hch@infradead.org, lstoakes@gmail.com, Arnd Bergmann , linux-api@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, malteskarupke@web.de Subject: Re: [PATCH v2 02/14] futex: Extend the FUTEX2 flags In-Reply-To: <20230807123322.883413972@infradead.org> References: <20230807121843.710612856@infradead.org> <20230807123322.883413972@infradead.org> Date: Mon, 07 Aug 2023 20:56:50 +0200 Message-ID: <87tttau1e5.ffs@tglx> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 07 2023 at 14:18, Peter Zijlstra wrote: > /* > * Flags for futex2 syscalls. > + * > + * NOTE: these are not pure flags, they can also be seen as: > + * > + * union { > + * u32 flags; > + * struct { > + * u32 size : 2, > + * numa : 1, > + * : 4, > + * private : 1; > + * }; > + * }; > */ Nice documentation Reviewed-by: Thomas Gleixner