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 8CDA2C00A5A for ; Wed, 18 Jan 2023 00:52:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229616AbjARAwH (ORCPT ); Tue, 17 Jan 2023 19:52:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230060AbjARAuW (ORCPT ); Tue, 17 Jan 2023 19:50:22 -0500 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 845E43D930 for ; Tue, 17 Jan 2023 16:39:16 -0800 (PST) Received: by mail-pj1-x102b.google.com with SMTP id 7-20020a17090a098700b002298931e366so597504pjo.2 for ; Tue, 17 Jan 2023 16:39:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=cieqYlPdo1uMWFm7OPSzxr4vtAv43xHg4HwlwY6s/6o=; b=nqQE3I29WTuB1rTwY0pbYNlIricDb7eFHBNxiFmsUP4hf5TXOZ5GFeHK+Dc+y19rzX vXOAwjPfo5kUNQrn1Uhl9kDcYlzIEgBvtYDIhP5olHCrhliwZ/+7LCZTgfOwpxi9FEzQ Z19T+0nFI64YC4Q/e2MbQ92gOYUxsOAMW3/gU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=cieqYlPdo1uMWFm7OPSzxr4vtAv43xHg4HwlwY6s/6o=; b=ckVQRudkHBL76fNNKLusxa6D1aQNHRwxG+sQEGa+ym1sHi5uMfxaGMzSYLjnO4rPPr Oinegak+3YgZpsqMOeNSxMMA7oYEPgMPMtVAjGfXCwvSTIz7rrAE12Dfo7/SE3gePHhD gTQQNsWyTEdmoEVwI8Nsusln+L2h2kJNWy5qOYI0HGrS+uN8N91TfsXTsorsNuOL/cat xr6FlyVB2QMu5zdYN2Oy6GxV0BvvL2kGphYwbJNmTEWTCNjjDRW63e5/g3LpIJ/oc21G DZpjoZ0Z49HuDx7PdwbRuVA7s8mLbprzGBbZRLet4reeCmuVtA+zonx6Ndhdeg/utvo6 F7Tg== X-Gm-Message-State: AFqh2koWjHqSdnQJTT4LLMb6mWKpx+0vrC35FVeoYbKYqC7wzK7jQjK4 Zp0QCGJBj3/HC0lg5Blkf7Hkow== X-Google-Smtp-Source: AMrXdXsxsUh+Q9DUm2Lt/KUAvDoICVDTOfIvhFZwMf74WyXYTToyIVobuxF0eu6ruM5544gvUcn0eg== X-Received: by 2002:a17:902:ec90:b0:188:6b9c:d17d with SMTP id x16-20020a170902ec9000b001886b9cd17dmr35963362plg.16.1674002356047; Tue, 17 Jan 2023 16:39:16 -0800 (PST) Received: from google.com (KD124209188001.ppp-bb.dion.ne.jp. [124.209.188.1]) by smtp.gmail.com with ESMTPSA id ja15-20020a170902efcf00b0019493c84880sm4589973plb.188.2023.01.17.16.39.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 16:39:15 -0800 (PST) Date: Wed, 18 Jan 2023 09:39:11 +0900 From: Sergey Senozhatsky To: Arnd Bergmann Cc: Minchan Kim , Sergey Senozhatsky , Andrew Morton , Nhat Pham , Arnd Bergmann , Sebastian Andrzej Siewior , Alexey Romanov , "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] zsmalloc: avoid unused-function warning Message-ID: References: <20230117170507.2651972-1-arnd@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230117170507.2651972-1-arnd@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (23/01/17 18:04), Arnd Bergmann wrote: > obj_allocated() can be called from two places that are each > inside of an #ifdef. When both are disabled, the compiler warns: > > mm/zsmalloc.c:900:13: error: 'obj_allocated' defined but not used [-Werror=unused-function] > > Rather than trying to figure out the correct #ifdef, mark the > trivial function as 'inline', which implies __maybe_unused and > shuts up the warning. > > Fixes: 796c71ac728e ("zsmalloc: fix a race with deferred_handles storing") > Signed-off-by: Arnd Bergmann Reviewed-by: Sergey Senozhatsky