From patchwork Wed Jun 26 14:33:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nirmoy Das X-Patchwork-Id: 13713106 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 A1D89C30658 for ; Wed, 26 Jun 2024 14:48:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 39C2310E8FB; Wed, 26 Jun 2024 14:48:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="EmRbRcIh"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 47D0510E8ED; Wed, 26 Jun 2024 14:48:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719413299; x=1750949299; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ZLFbahMsfwl9ksR/fA89FFUsm+AfwNY5V4LJ098q3EQ=; b=EmRbRcIh7JN1Te3wQZjXg/jsWVj3Zl5z5HblTGfRExu+jVJBg6LsaGxm PgNC9BDCe55sj31f+G1iH0PJOmGZr6Oiup2KvyNyOhABm+FRcUjHHHrgp 7nkKbyGzARexCLjt8C7bE1skeotbPr8wxcyKM9hqVhXQiOEsOJAICeMyT eKQiPPj4Y2J9YlBG3cyUeO+hMw0YsdyAlh6fl/Py6Qt5KPVLZ+AxXRh2V 5bmSzJDgk8u5ZGgGftEIlXGlR6c/o1TCzb9pbY1aJ/JSANQizDcMPG3KL ad5mQarnGtUxI0GKGWlMCISQqinpWFUzO4A0dhTXjTWGoFwuTg1KPYxoX g==; X-CSE-ConnectionGUID: XpV/+VtTR227tPhGJ2l7eQ== X-CSE-MsgGUID: xUVYOWbQRxSPpS99OPrlcw== X-IronPort-AV: E=McAfee;i="6700,10204,11115"; a="16638432" X-IronPort-AV: E=Sophos;i="6.08,267,1712646000"; d="scan'208";a="16638432" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jun 2024 07:48:19 -0700 X-CSE-ConnectionGUID: 9qhMGo0eT+SFH3ccXULMxA== X-CSE-MsgGUID: DZQxBZHjQF+YvlEXpMNVaQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,267,1712646000"; d="scan'208";a="75220383" Received: from nirmoyda-desk.igk.intel.com ([10.102.138.190]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jun 2024 07:48:17 -0700 From: Nirmoy Das To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, Nirmoy Das , Andi Shyti Subject: [PATCH] drm/i915/gem: Suppress oom warning in favour of ENOMEM to userspace Date: Wed, 26 Jun 2024 16:33:18 +0200 Message-ID: <20240626143318.11600-1-nirmoy.das@intel.com> X-Mailer: git-send-email 2.42.0 MIME-Version: 1.0 Organization: Intel Deutschland GmbH, Registered Address: Am Campeon 10, 85579 Neubiberg, Germany, Commercial Register: Amtsgericht Muenchen HRB 186928 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" We report object allocation failures to userspace with ENOMEM so add __GFP_NOWARN to remove superfluous oom warnings. Closes: https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/4936 Cc: Andi Shyti Signed-off-by: Nirmoy Das Reviewed-by: Rodrigo Vivi Reviewed-by: Andi Shyti --- drivers/gpu/drm/i915/i915_scatterlist.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_scatterlist.c b/drivers/gpu/drm/i915/i915_scatterlist.c index e93d2538f298..4d830740946d 100644 --- a/drivers/gpu/drm/i915/i915_scatterlist.c +++ b/drivers/gpu/drm/i915/i915_scatterlist.c @@ -90,7 +90,7 @@ struct i915_refct_sgt *i915_rsgt_from_mm_node(const struct drm_mm_node *node, GEM_BUG_ON(!max_segment); - rsgt = kmalloc(sizeof(*rsgt), GFP_KERNEL); + rsgt = kmalloc(sizeof(*rsgt), GFP_KERNEL | __GFP_NOWARN); if (!rsgt) return ERR_PTR(-ENOMEM); @@ -104,7 +104,7 @@ struct i915_refct_sgt *i915_rsgt_from_mm_node(const struct drm_mm_node *node, } if (sg_alloc_table(st, DIV_ROUND_UP_ULL(node->size, segment_pages), - GFP_KERNEL)) { + GFP_KERNEL | __GFP_NOWARN)) { i915_refct_sgt_put(rsgt); return ERR_PTR(-ENOMEM); } @@ -178,7 +178,7 @@ struct i915_refct_sgt *i915_rsgt_from_buddy_resource(struct ttm_resource *res, GEM_BUG_ON(list_empty(blocks)); GEM_BUG_ON(!max_segment); - rsgt = kmalloc(sizeof(*rsgt), GFP_KERNEL); + rsgt = kmalloc(sizeof(*rsgt), GFP_KERNEL | __GFP_NOWARN); if (!rsgt) return ERR_PTR(-ENOMEM); @@ -190,7 +190,7 @@ struct i915_refct_sgt *i915_rsgt_from_buddy_resource(struct ttm_resource *res, return ERR_PTR(-E2BIG); } - if (sg_alloc_table(st, PFN_UP(res->size), GFP_KERNEL)) { + if (sg_alloc_table(st, PFN_UP(res->size), GFP_KERNEL | __GFP_NOWARN)) { i915_refct_sgt_put(rsgt); return ERR_PTR(-ENOMEM); }