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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05D8DC04A6A for ; Mon, 7 Aug 2023 18:56:56 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 81FD96B0072; Mon, 7 Aug 2023 14:56:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7A8FF6B0074; Mon, 7 Aug 2023 14:56:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6494C6B0075; Mon, 7 Aug 2023 14:56:56 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 5140D6B0072 for ; Mon, 7 Aug 2023 14:56:56 -0400 (EDT) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 20072C0BBA for ; Mon, 7 Aug 2023 18:56:56 +0000 (UTC) X-FDA: 81098215632.07.9288FF4 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf12.hostedemail.com (Postfix) with ESMTP id 215DE40007 for ; Mon, 7 Aug 2023 18:56:53 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=linutronix.de header.s=2020 header.b=PLWdHUGT; dkim=pass header.d=linutronix.de header.s=2020e header.b=7tiSmGGQ; dmarc=pass (policy=none) header.from=linutronix.de; spf=pass (imf12.hostedemail.com: domain of tglx@linutronix.de designates 193.142.43.55 as permitted sender) smtp.mailfrom=tglx@linutronix.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1691434614; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=L9kvFDfJK/VpB6H983DpvtzblFv1rzHcuGaRNzchB/w=; b=oHnE6LWmXwKitr0cYpxH03XN8N/0MMm39GGx3jXP2fIfFw6nyMYEZvwB5Bdxw8CLN59HYz HhvARLpzBdFoFRy+rSA1dza5H7cs2anURQenAHEOyLDQrr40DZSRJRNOxAPBA46L4Dn/RX TZqL9+F7zys5NlOVC5zCWgpa6oxWQyk= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=linutronix.de header.s=2020 header.b=PLWdHUGT; dkim=pass header.d=linutronix.de header.s=2020e header.b=7tiSmGGQ; dmarc=pass (policy=none) header.from=linutronix.de; spf=pass (imf12.hostedemail.com: domain of tglx@linutronix.de designates 193.142.43.55 as permitted sender) smtp.mailfrom=tglx@linutronix.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1691434614; a=rsa-sha256; cv=none; b=s6CJ578guTWzsE9zI4qqpanHub2wj9rBMLdnYhp1T3bMHYkrV1EoOItauvHoTdRxF3xtxS tgZ1J64mJTMpt1TB+VGNo23+pZGR6SS05w+gn5bVryUnxRLRPSMYrmOse3UUo//UzB8ZCD ZxZ9WNGYQvwk1gEH8DH9B087A2Ex1Pk= 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-Rspamd-Queue-Id: 215DE40007 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: 4mxiaqhrj7ab9jof8g6gs7a13rimf5yd X-HE-Tag: 1691434613-925375 X-HE-Meta: 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 tzm5QrpK 6PstTFw3p+mBIwyVBoOrKe6le/+pN1pPxbGp+/z3YGgE8YXU= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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