From patchwork Mon Aug 7 11:08:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 711238 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 0E191C04A6A for ; Mon, 7 Aug 2023 11:12:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231997AbjHGLMc (ORCPT ); Mon, 7 Aug 2023 07:12:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49336 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231160AbjHGLMH (ORCPT ); Mon, 7 Aug 2023 07:12:07 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 843F01730 for ; Mon, 7 Aug 2023 04:11:42 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id 98e67ed59e1d1-2680edb9767so930114a91.0 for ; Mon, 07 Aug 2023 04:11:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1691406686; x=1692011486; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ppdDbzxLfV7T8uyJ0+LWzuRMVQS50F9BO9dGotbDPbU=; b=MlLUTFwBYj7txqomyX5RsQbZ0tuOTesyUPZa0imDy/CbzwI18VWLrI273BHEpiy/59 rQ1jtyDjjrm0A2fn5g0PDon6y1ODu6aNGJCylYpk7eBz5aCl8EYDqiryatgBLfE6j6wl z5DQPgedGrLwi+nxG0CDlruIcPgTiyaIMd4jUriznEP5tOm9lhp6XNenm09AU0AYyYPz hP8xB6m5xmZ4JEVQ0Bc2ouPU+2lWMJulVYbharTYlD2LjNPOhOgz1BVr9kOg3WfUC2R8 kqamQX4BkmNd+ktmJD6D1JNyz78v+ezzbXueyJ3khYdsrERbOdoO7diXy9Rr3O+Hss94 NCVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691406686; x=1692011486; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ppdDbzxLfV7T8uyJ0+LWzuRMVQS50F9BO9dGotbDPbU=; b=bXCO0DgVhbHUQyXLEMc4z1t2irO8VrNf1m9Seaesnb+TRFyZ7rbYF2nrCV8dGuFgxI F/KbX7H8xThRV2YIeBk6r1/D1y5Rqj1riciFRIXLO1VU0l1wunjaty6U81mx+ByDgzU4 UMvJR8rUNbvM9cuVYD3sq7QChj3nZdAuPrPQ4eMf9ogmQBnDZTGie68AZ/ELIcJEoOpr YevCegJfLJZVvSMn9Nr8v/RIiZewPTer8BTS7xvT5/1G2Qd3Jf1aldepUP8YHPRaRsQ0 IGXh1bn9TXjQ8+MmCYXiTuUZJZfpWerVilAq9cSHfW1cmkeZIDtp3FysXa2n59eUv5Rk ESMA== X-Gm-Message-State: AOJu0YyVe6vermOm7DszGtDBPCELrrxIOwZunaO6NXlojqKZlO8dfT5d +VJ29vga3Vud+2JEViu57Ct5eg== X-Google-Smtp-Source: AGHT+IF4N48rqO+yuBXOFXn//EzxG9zSjzgF29ivUv9kLYfrFhE3z4laIyd5mkV4h78zNK2JaBG8Rw== X-Received: by 2002:a17:90a:9c3:b0:269:41cf:7212 with SMTP id 61-20020a17090a09c300b0026941cf7212mr4956295pjo.4.1691406685878; Mon, 07 Aug 2023 04:11:25 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.146]) by smtp.gmail.com with ESMTPSA id y13-20020a17090aca8d00b0025be7b69d73sm5861191pjt.12.2023.08.07.04.11.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Aug 2023 04:11:25 -0700 (PDT) From: Qi Zheng To: akpm@linux-foundation.org, david@fromorbit.com, tkhai@ya.ru, vbabka@suse.cz, roman.gushchin@linux.dev, djwong@kernel.org, brauner@kernel.org, paulmck@kernel.org, tytso@mit.edu, steven.price@arm.com, cel@kernel.org, senozhatsky@chromium.org, yujie.liu@intel.com, gregkh@linuxfoundation.org, muchun.song@linux.dev, simon.horman@corigine.com, dlemoal@kernel.org Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, linux-erofs@lists.ozlabs.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-nfs@vger.kernel.org, linux-mtd@lists.infradead.org, rcu@vger.kernel.org, netdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, dm-devel@redhat.com, linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-btrfs@vger.kernel.org, Qi Zheng , Muchun Song Subject: [PATCH v4 07/48] drm/ttm: dynamically allocate the drm-ttm_pool shrinker Date: Mon, 7 Aug 2023 19:08:55 +0800 Message-Id: <20230807110936.21819-8-zhengqi.arch@bytedance.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20230807110936.21819-1-zhengqi.arch@bytedance.com> References: <20230807110936.21819-1-zhengqi.arch@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use new APIs to dynamically allocate the drm-ttm_pool shrinker. Signed-off-by: Qi Zheng Reviewed-by: Muchun Song --- drivers/gpu/drm/ttm/ttm_pool.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c index cddb9151d20f..c9c9618c0dce 100644 --- a/drivers/gpu/drm/ttm/ttm_pool.c +++ b/drivers/gpu/drm/ttm/ttm_pool.c @@ -73,7 +73,7 @@ static struct ttm_pool_type global_dma32_uncached[MAX_ORDER + 1]; static spinlock_t shrinker_lock; static struct list_head shrinker_list; -static struct shrinker mm_shrinker; +static struct shrinker *mm_shrinker; /* Allocate pages of size 1 << order with the given gfp_flags */ static struct page *ttm_pool_alloc_page(struct ttm_pool *pool, gfp_t gfp_flags, @@ -734,8 +734,8 @@ static int ttm_pool_debugfs_shrink_show(struct seq_file *m, void *data) struct shrink_control sc = { .gfp_mask = GFP_NOFS }; fs_reclaim_acquire(GFP_KERNEL); - seq_printf(m, "%lu/%lu\n", ttm_pool_shrinker_count(&mm_shrinker, &sc), - ttm_pool_shrinker_scan(&mm_shrinker, &sc)); + seq_printf(m, "%lu/%lu\n", ttm_pool_shrinker_count(mm_shrinker, &sc), + ttm_pool_shrinker_scan(mm_shrinker, &sc)); fs_reclaim_release(GFP_KERNEL); return 0; @@ -779,10 +779,17 @@ int ttm_pool_mgr_init(unsigned long num_pages) &ttm_pool_debugfs_shrink_fops); #endif - mm_shrinker.count_objects = ttm_pool_shrinker_count; - mm_shrinker.scan_objects = ttm_pool_shrinker_scan; - mm_shrinker.seeks = 1; - return register_shrinker(&mm_shrinker, "drm-ttm_pool"); + mm_shrinker = shrinker_alloc(0, "drm-ttm_pool"); + if (!mm_shrinker) + return -ENOMEM; + + mm_shrinker->count_objects = ttm_pool_shrinker_count; + mm_shrinker->scan_objects = ttm_pool_shrinker_scan; + mm_shrinker->seeks = 1; + + shrinker_register(mm_shrinker); + + return 0; } /** @@ -802,6 +809,6 @@ void ttm_pool_mgr_fini(void) ttm_pool_type_fini(&global_dma32_uncached[i]); } - unregister_shrinker(&mm_shrinker); + shrinker_free(mm_shrinker); WARN_ON(!list_empty(&shrinker_list)); }