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 6D196C6FD1C for ; Mon, 6 Mar 2023 16:36:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230101AbjCFQge (ORCPT ); Mon, 6 Mar 2023 11:36:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230100AbjCFQfr (ORCPT ); Mon, 6 Mar 2023 11:35:47 -0500 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1E4638662; Mon, 6 Mar 2023 08:35:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678120514; x=1709656514; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=0eAGjVOQ2rbaK9zJyF59qMjxM1fjU52p32WNDpV9uis=; b=m/RTaqTMyXDnIrWFH58wZy5g7vadgMyPgDutC8vUY6Q/kZvF6xz6tzxg 9Yu43xORSem409piPbNzl9yJYO5BkRcWIv3ZzGgfauuboGDM3X10842Q+ hlFty/C5yMgRYXvK7dZodDMqZbU9u8DJ8Cka98FR1lBTRd0LxpQ61jdgD RfR8t8ODqIsy1+GYBC372CKwOweF6Yd/RnKjBhVnLxMaEAati35WzFf9G 6YpVcGG0FsyB6vD4Bjwlcr5ceASMSCRHnHs8UAHajLOz6xULkQ1A8l5c+ dfFFB77AkAMxSTVSYTr4PSfTVD7Ds74CIiTEB27yLICsYRsKng74N7Ljt w==; X-IronPort-AV: E=McAfee;i="6500,9779,10641"; a="315998652" X-IronPort-AV: E=Sophos;i="5.98,238,1673942400"; d="scan'208";a="315998652" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2023 08:32:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10641"; a="745132872" X-IronPort-AV: E=Sophos;i="5.98,238,1673942400"; d="scan'208";a="745132872" Received: from lab-ah.igk.intel.com ([10.102.42.211]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2023 08:32:32 -0800 From: Andrzej Hajda Date: Mon, 06 Mar 2023 17:32:00 +0100 Subject: [PATCH v4 04/10] lib/ref_tracker: remove warnings in case of allocation failure MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20230224-track_gt-v4-4-464e8ab4c9ab@intel.com> References: <20230224-track_gt-v4-0-464e8ab4c9ab@intel.com> In-Reply-To: <20230224-track_gt-v4-0-464e8ab4c9ab@intel.com> To: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Daniel Vetter Cc: linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Chris Wilson , netdev@vger.kernel.org, Eric Dumazet , Jakub Kicinski , Dmitry Vyukov , Andrzej Hajda , Chris Wilson X-Mailer: b4 0.11.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Library can handle allocation failures. To avoid allocation warnings __GFP_NOWARN has been added everywhere. Moreover GFP_ATOMIC has been replaced with GFP_NOWAIT in case of stack allocation on tracker free call. Signed-off-by: Andrzej Hajda --- lib/ref_tracker.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/ref_tracker.c b/lib/ref_tracker.c index 2ef4596b6b36f5..cae4498fcfd701 100644 --- a/lib/ref_tracker.c +++ b/lib/ref_tracker.c @@ -189,7 +189,7 @@ int ref_tracker_alloc(struct ref_tracker_dir *dir, unsigned long entries[REF_TRACKER_STACK_ENTRIES]; struct ref_tracker *tracker; unsigned int nr_entries; - gfp_t gfp_mask = gfp; + gfp_t gfp_mask = gfp | __GFP_NOWARN; unsigned long flags; WARN_ON_ONCE(dir->dead); @@ -237,7 +237,8 @@ int ref_tracker_free(struct ref_tracker_dir *dir, return -EEXIST; } nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 1); - stack_handle = stack_depot_save(entries, nr_entries, GFP_ATOMIC); + stack_handle = stack_depot_save(entries, nr_entries, + GFP_NOWAIT | __GFP_NOWARN); spin_lock_irqsave(&dir->lock, flags); if (tracker->dead) { -- 2.34.1