From patchwork Mon Jul 24 09:43:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zheng X-Patchwork-Id: 13323711 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 50A9DC41513 for ; Mon, 24 Jul 2023 09:47:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230034AbjGXJrn (ORCPT ); Mon, 24 Jul 2023 05:47:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231688AbjGXJrV (ORCPT ); Mon, 24 Jul 2023 05:47:21 -0400 Received: from mail-pl1-x633.google.com (mail-pl1-x633.google.com [IPv6:2607:f8b0:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A5591BD7 for ; Mon, 24 Jul 2023 02:46:19 -0700 (PDT) Received: by mail-pl1-x633.google.com with SMTP id d9443c01a7336-1bb85ed352bso2229725ad.0 for ; Mon, 24 Jul 2023 02:46:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690191978; x=1690796778; 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=YJ34aDXYlHmjcWHNnO8BUtZL0Yf5ZszuCt3/FkcxObI=; b=dPg8Z+s3aha2IvphpVKs8g7PSY6piop3d9NgPI5ubIDitgffw9A2UJF008ettaOzL2 E1tyNH7CPDs7txXWOfoA23V8TkeR2HnX04I7DoxtzP6sL4XEnTxiiEMAs0kV9Z/otM2W 0kOcjwbHjS6iULnGuX+LKfjLBZnKtzDuWFv8l1d9/Rkqg83rJ36ocDx6bY7GsC2wtJpk Mw6apkZAnLMNttQVQifEE+ksvX6HBpvA7k/G1tddocZPzT2wZK5koTXpHocOk7zUb799 2LPg0QZl2ME3q58o3tQeyyaY1BlYV7m8Ier04lnGoxRFxPK9Wx4EcovR5xvgXGZWDCe6 9eCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690191978; x=1690796778; 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=YJ34aDXYlHmjcWHNnO8BUtZL0Yf5ZszuCt3/FkcxObI=; b=d/LtCxn8zkPBdQlXdDKagqgpoaAoK8bACY/eMe54ZEStEPS1LhsyXiNGmajvjSw2tD 8tnj1JzSzN+b8G8asXoeXbkOQl+QRs+dhE4G5SinEiL4MovYWmOp+nE9OWk0BZIXzMZI HjCsO+COHezmQioyKW9KA6sP/dk1Jmlv9gSFdmqEq52943iNBTh+1R0eQaDXHPzlrJUF FOSLkKML8ciTr6yz8KKuhYwInRo44vblNiCVpkJpOt8MoH0kbNkWZVDL4e4eQTKtHVEG rkjyEtiz7iBV2QaG3ujN7X5lD47Wl4s+BJlr/MQmjvD93K3MNduDnUHf6WFGNfaCRaPB Hg/Q== X-Gm-Message-State: ABy/qLarsMmF4eDfHeidZp/RA9haPA/WQWavK7Fn58BICtu7VwL1xZQs OSFDwPvKYOoChGE/KTyGfLNw4A== X-Google-Smtp-Source: APBJJlGS+SYk55mAAJOUNGx8fxUIn0OJAQvX8pDu/8/ugt1o28j6t6h3zVeppHUSF07Rw5MgS0vxBA== X-Received: by 2002:a17:902:d484:b0:1b8:a27d:f591 with SMTP id c4-20020a170902d48400b001b8a27df591mr12255719plg.5.1690191978640; Mon, 24 Jul 2023 02:46:18 -0700 (PDT) Received: from C02DW0BEMD6R.bytedance.net ([203.208.167.147]) by smtp.gmail.com with ESMTPSA id d5-20020a170902c18500b001bb20380bf2sm8467233pld.13.2023.07.24.02.46.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Jul 2023 02:46:18 -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 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 Subject: [PATCH v2 06/47] drm/ttm: dynamically allocate the drm-ttm_pool shrinker Date: Mon, 24 Jul 2023 17:43:13 +0800 Message-Id: <20230724094354.90817-7-zhengqi.arch@bytedance.com> X-Mailer: git-send-email 2.24.3 (Apple Git-128) In-Reply-To: <20230724094354.90817-1-zhengqi.arch@bytedance.com> References: <20230724094354.90817-1-zhengqi.arch@bytedance.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: rcu@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..e1eb73d0b72a 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_unregister(mm_shrinker); WARN_ON(!list_empty(&shrinker_list)); }