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 CEB62C00A5A for ; Wed, 18 Jan 2023 00:39:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3B9366B0074; Tue, 17 Jan 2023 19:39:19 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 368D26B0075; Tue, 17 Jan 2023 19:39:19 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 230926B0078; Tue, 17 Jan 2023 19:39:19 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 1027C6B0074 for ; Tue, 17 Jan 2023 19:39:19 -0500 (EST) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id D32C1140482 for ; Wed, 18 Jan 2023 00:39:18 +0000 (UTC) X-FDA: 80366060796.17.B3ADE1B Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) by imf17.hostedemail.com (Postfix) with ESMTP id 284AE40008 for ; Wed, 18 Jan 2023 00:39:16 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=nqQE3I29; spf=pass (imf17.hostedemail.com: domain of senozhatsky@chromium.org designates 209.85.214.169 as permitted sender) smtp.mailfrom=senozhatsky@chromium.org; dmarc=pass (policy=none) header.from=chromium.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1674002357; 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=cieqYlPdo1uMWFm7OPSzxr4vtAv43xHg4HwlwY6s/6o=; b=H0HHzrdmV6QLqcphyKQEhFs1aR2pFrU1d3jIyqoAUdIGqDc+WPiGj5peK3F6svu6rT5IBK 23fCW/Tg0acAEGQogAvZHF2Ic8ikf9HgiNNYQJa4hUEkZYS+/VL9ssp7G/RCF7Alh5ubCD OyCIOXbr9NU/Oc7gRNOsDuCxG9dTAvc= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=chromium.org header.s=google header.b=nqQE3I29; spf=pass (imf17.hostedemail.com: domain of senozhatsky@chromium.org designates 209.85.214.169 as permitted sender) smtp.mailfrom=senozhatsky@chromium.org; dmarc=pass (policy=none) header.from=chromium.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1674002357; a=rsa-sha256; cv=none; b=7y19P9bMshbTw0c9nlc93O7BWAvieWsDDiIMa79EMywRXYLoRPwNu9tbNk5PrPWlltFUA2 i6jdrnuCw0B8ONE04WF8BMhIRl3Vwda9qJn34WbV4Zy639V5MIhL/kmR+YYZVyTB04ZCaU AmO/34hrbuUAQOdyOoH/oJpOWYsZvmw= Received: by mail-pl1-f169.google.com with SMTP id v23so30372526plo.1 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=ohSKhWNDvGY6Xz3AmFRdc9Y2UUW/N7ihSBFHuL3S7Xr0Ot90bbn+1qPqMMIXvAkzfV kNLluU+rkBsB+UZg6up88S5RxpUwSESrsI2CA9asgqlAjWlnttn61es0rIyZHwPfl4e9 q+ovJuDPE+D8Rp69T7DoBFYLigfbuiJTSlRDnld47aN3aYY0WxF1+PI+YSu0TlCgYGdx FrgJI/groH1ky08DPrwh9hoqsEs3R+owTbwdJUdHi/+aC64uByuEzbVDzypgB+SUDDDA TQzhH5ZILG8tvE+BqZBqTwgJROn+F4Z5Nni6JejGOxUx+lQ2qTI/xtszfwnGV+bHl3+g haLw== X-Gm-Message-State: AFqh2kreeM1z+LHVRqYg6Z5Oi+mfN52Oo3rM/Eylp+Nl8FfR+7OzJCYD rkDtGH+agM781GVhjF16t0To/Q== 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> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 284AE40008 X-Stat-Signature: 7kzd1qz5k84bbk3ymgz634ughoqiog7x X-Rspam-User: X-HE-Tag: 1674002356-945030 X-HE-Meta: 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 KpcRS1pT 9Br2KtrcG7yWGZ5Xi1zt/cxd3GV74pj/K/D5SflouVtS1ZoRDWNUkYKUWvA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000005, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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