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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E2C1C433F5 for ; Mon, 24 Jan 2022 12:44:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241725AbiAXMop (ORCPT ); Mon, 24 Jan 2022 07:44:45 -0500 Received: from mga11.intel.com ([192.55.52.93]:1399 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239476AbiAXMom (ORCPT ); Mon, 24 Jan 2022 07:44:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643028282; x=1674564282; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=wpyH6xBCGYGqD5iKqVi6uZSO5z87rUEfXYqTwajDbh8=; b=eAzSfwKyXccveLYa+QvHHBQwqJeavLcx03qUeBSOYPreQc4fxHzgWRV0 MMxKCm83b+F/MQ/0DhXN8cXXBbk5KvghiZkXSNSiG/mfzlOI6I1GGgRQB dNjYwMs6wSvaAGeK8P0dL8VJPrnUWdUM9E7882qgCMp46HzHn1nebwRz0 q4Uzotu7Lklsg/CWjXV37vR26YBtzTAKL0wmMTvOPluGL98euWf7Zi4+M EEhbNymx1w9Maul8fr8Z31VLWNaDh74VFMlubmzU0uFy5On++JJEyvjS9 VM+cga5A2xzSp6EWh2n6K/mA+IYaCK2mOIyAnnQB5gGTQ1mvlRNMSyUwf Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10236"; a="243631494" X-IronPort-AV: E=Sophos;i="5.88,311,1635231600"; d="scan'208";a="243631494" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2022 04:44:41 -0800 X-IronPort-AV: E=Sophos;i="5.88,311,1635231600"; d="scan'208";a="562645121" Received: from smile.fi.intel.com ([10.237.72.61]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2022 04:44:38 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.95) (envelope-from ) id 1nByh0-00DtEW-O1; Mon, 24 Jan 2022 14:43:30 +0200 Date: Mon, 24 Jan 2022 14:43:30 +0200 From: Andy Shevchenko To: Yury Norov Cc: Rasmus Villemoes , Andrew Morton , =?utf-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Greg Kroah-Hartman , Peter Zijlstra , David Laight , Joe Perches , Dennis Zhou , Emil Renner Berthing , Nicholas Piggin , Matti Vaittinen , Alexey Klimov , linux-kernel@vger.kernel.org Subject: Re: [PATCH 27/54] lib/bitmap: add bitmap_weight_{cmp, eq, gt, ge, lt, le} functions Message-ID: References: <20220123183925.1052919-1-yury.norov@gmail.com> <20220123183925.1052919-28-yury.norov@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 24, 2022 at 02:41:38PM +0200, Andy Shevchenko wrote: > On Sun, Jan 23, 2022 at 10:38:58AM -0800, Yury Norov wrote: ... > > + if (num > (int)nbits || num < 0) > > Wonder if > > if (abs(num) > nbits) > > would be sufficient. Scratch it. Of course it won't work. It may be other way around: if ((unsigned int)num > nbits) > > + return -num; -- With Best Regards, Andy Shevchenko