From patchwork Mon Feb 21 23:16:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Hajda X-Patchwork-Id: 12754310 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 06704C433FE for ; Mon, 21 Feb 2022 23:18:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C368F10E535; Mon, 21 Feb 2022 23:18:18 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6AA3010E521; Mon, 21 Feb 2022 23:18:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645485492; x=1677021492; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=2rbHPotT4d3VveAdnF6hqk3OexpJY7+ajj6Stm674Oc=; b=bUSDeOko8aQWJiStkQK/B0FHeVZ7PKXyiqaVNtvlNKr3h/JfWQr//VUi I37LXMUZ58lgbfSaGx7Xj47jebz4rVAfWCG8zQBub56xnVN1tt6DB/+ga yyYTk88W/GdK0iyk2lpuSTSysIotPlhaxkHImKvCsA+s3N0e/HBRyGBIS a6J0V7M/zmQZxjbbZTRzhLn3KOOHlt6gqbs4+8TvPp5TWEzcRz2LRgaTb DwGRxBSGA259QXK/Wea0MFl6w3lLfLMRykW6JLlW+9ZjD051ed/RwFwQx L9A+4l/3z65rqzWnBBDc8Z0tqXu9rDK5TWYAAnELHMA5ZrTjQCWDT20Ag g==; X-IronPort-AV: E=McAfee;i="6200,9189,10265"; a="238996039" X-IronPort-AV: E=Sophos;i="5.88,386,1635231600"; d="scan'208";a="238996039" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2022 15:18:12 -0800 X-IronPort-AV: E=Sophos;i="5.88,386,1635231600"; d="scan'208";a="638694575" Received: from lab-ah.igk.intel.com ([10.91.215.196]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2022 15:18:09 -0800 From: Andrzej Hajda To: linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, netdev Subject: [PATCH v2 07/11] lib/ref_tracker: remove warnings in case of allocation failure Date: Tue, 22 Feb 2022 00:16:59 +0100 Message-Id: <20220221231705.1481059-18-andrzej.hajda@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220221231705.1481059-1-andrzej.hajda@intel.com> References: <20220221231705.1481059-1-andrzej.hajda@intel.com> MIME-Version: 1.0 Organization: Intel Technology Poland sp. z o.o. - ul. Slowackiego 173, 80-298 Gdansk - KRS 101882 - NIP 957-07-52-316 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrzej Hajda , Lucas De Marchi , Chris Wilson , Eric Dumazet , Jakub Kicinski , Dmitry Vyukov Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 2ef4596b6b36f..cae4498fcfd70 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) {