From patchwork Fri Jun 14 16:43:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kuoppala X-Patchwork-Id: 10995971 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 82BB114E5 for ; Fri, 14 Jun 2019 16:43:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7343E26538 for ; Fri, 14 Jun 2019 16:43:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 679F62834A; Fri, 14 Jun 2019 16:43:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5A2B126538 for ; Fri, 14 Jun 2019 16:43:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DDA4F89AEB; Fri, 14 Jun 2019 16:43:54 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7062789ADC for ; Fri, 14 Jun 2019 16:43:54 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jun 2019 09:43:54 -0700 X-ExtLoop1: 1 Received: from rosetta.fi.intel.com ([10.237.72.186]) by fmsmga007.fm.intel.com with ESMTP; 14 Jun 2019 09:43:53 -0700 Received: by rosetta.fi.intel.com (Postfix, from userid 1000) id CE23F84016A; Fri, 14 Jun 2019 19:43:50 +0300 (EEST) From: Mika Kuoppala To: intel-gfx@lists.freedesktop.org Date: Fri, 14 Jun 2019 19:43:41 +0300 Message-Id: <20190614164350.30415-1-mika.kuoppala@linux.intel.com> X-Mailer: git-send-email 2.17.1 Subject: [Intel-gfx] [PATCH 01/10] drm/i915/gtt: No need to zero the table for page dirs X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP We set them to scratch right after allocation so prevent useless zeroing before. v2: atomic_t v3: allow pdp alloc fail Cc: Chris Wilson Signed-off-by: Mika Kuoppala Reviewed-by: Chris Wilson --- drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 278de04a96aa..b210cb021931 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -687,7 +687,7 @@ static struct i915_page_directory *alloc_pd(struct i915_address_space *vm) { struct i915_page_directory *pd; - pd = kzalloc(sizeof(*pd), I915_GFP_ALLOW_FAIL); + pd = kmalloc(sizeof(*pd), I915_GFP_ALLOW_FAIL); if (unlikely(!pd)) return ERR_PTR(-ENOMEM); @@ -747,7 +747,7 @@ alloc_pdp(struct i915_address_space *vm) GEM_BUG_ON(!i915_vm_is_4lvl(vm)); - pdp = kzalloc(sizeof(*pdp), GFP_KERNEL); + pdp = kmalloc(sizeof(*pdp), I915_GFP_ALLOW_FAIL); if (!pdp) return ERR_PTR(-ENOMEM);