From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC1C6C433E0 for ; Tue, 12 Jan 2021 16:16:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 861EF2222F for ; Tue, 12 Jan 2021 16:16:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406097AbhALQQN (ORCPT ); Tue, 12 Jan 2021 11:16:13 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:44430 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406053AbhALQQK (ORCPT ); Tue, 12 Jan 2021 11:16:10 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CG9QLj181328; Tue, 12 Jan 2021 16:15:00 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=corp-2020-01-29; bh=QiywBzm37PWawJQCCrvx2Qc6ncD6vLKNgVVp8bepQwk=; b=bsxkJdUPJZGn4mdgIYqdcw16fRXKLDyI23nhWeG/tVal9gXSV2yn4ZgnNgfEDBOyEvf3 JImWjSxlLedeP4tHjFf4jZQtJKqLeLuHihke9OYOFnRplJJxyuip0NxxLPv4hJHzus7X UNZaMuOsCgRrvtv90ohJR2VLyeH8A9asdraNvBMdmvnXG2puzdAApTXYtZk7HCll29sz iGTtR+1sgE5CvSc7UP1bAQH3npnlox2kecL/6aCSh0cdFFPLsbZJtBRxh1KEJ5qahdbb Yver2Jz9v92xiAkPmGd8kFKe19BMhcemcWxnWCpfDr3vbEDsBeBNC0mRB/gy6UGgXagj ag== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 360kvjy1u8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:15:00 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 10CGAaJd100407; Tue, 12 Jan 2021 16:13:00 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3030.oracle.com with ESMTP id 360keh7hna-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 12 Jan 2021 16:12:59 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 10CGCw4G029726; Tue, 12 Jan 2021 16:12:58 GMT Received: from revolver.jebus.ca (/23.233.25.87) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 12 Jan 2021 08:12:58 -0800 From: "Liam R. Howlett" To: maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Andrew Morton , Song Liu , Davidlohr Bueso , "Paul E . McKenney" , Matthew Wilcox , Jerome Glisse , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra Subject: [PATCH v2 04/70] radix tree test suite: Add keme_cache_alloc_bulk() support Date: Tue, 12 Jan 2021 11:11:34 -0500 Message-Id: <20210112161240.2024684-5-Liam.Howlett@Oracle.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210112161240.2024684-1-Liam.Howlett@Oracle.com> References: <20210112161240.2024684-1-Liam.Howlett@Oracle.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 phishscore=0 spamscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120092 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9862 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 phishscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 spamscore=0 mlxscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101120092 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Liam R. Howlett --- tools/testing/radix-tree/linux.c | 51 +++++++++++++++++++++++++++ tools/testing/radix-tree/linux/slab.h | 1 + 2 files changed, 52 insertions(+) diff --git a/tools/testing/radix-tree/linux.c b/tools/testing/radix-tree/linux.c index 380bbc0a48d6f..fb19a40ebb465 100644 --- a/tools/testing/radix-tree/linux.c +++ b/tools/testing/radix-tree/linux.c @@ -99,6 +99,57 @@ void kmem_cache_free_bulk(struct kmem_cache *cachep, size_t size, void **list) for (int i = 0; i < size; i++) kmem_cache_free(cachep, list[i]); } +int kmem_cache_alloc_bulk(struct kmem_cache *cachep, gfp_t gfp, size_t size, + void **p) +{ + size_t i; + + if (kmalloc_verbose) + printk("Bulk alloc %lu\n", size); + + if (!(gfp & __GFP_DIRECT_RECLAIM) && cachep->non_kernel < size) + return 0; + + if (!(gfp & __GFP_DIRECT_RECLAIM)) + cachep->non_kernel -= size; + + pthread_mutex_lock(&cachep->lock); + if (cachep->nr_objs >= size) { + struct radix_tree_node *node = cachep->objs; + + for (i = 0; i < size; i++) { + cachep->nr_objs--; + cachep->objs = node->parent; + p[i] = cachep->objs; + } + pthread_mutex_unlock(&cachep->lock); + node->parent = NULL; + } else { + pthread_mutex_unlock(&cachep->lock); + for (i = 0; i < size; i++) { + if (cachep->align) { + posix_memalign(&p[i], cachep->align, + cachep->size * size); + } else { + p[i] = malloc(cachep->size * size); + } + if (cachep->ctor) + cachep->ctor(p[i]); + else if (gfp & __GFP_ZERO) + memset(p[i], 0, cachep->size); + } + } + + for (i = 0; i < size; i++) { + uatomic_inc(&nr_allocated); + uatomic_inc(&nr_tallocated); + if (kmalloc_verbose) + printf("Allocating %p from slab\n", p[i]); + } + + return size; +} + void *kmalloc(size_t size, gfp_t gfp) { diff --git a/tools/testing/radix-tree/linux/slab.h b/tools/testing/radix-tree/linux/slab.h index 53b79c15b3a22..ba42b8cc11d09 100644 --- a/tools/testing/radix-tree/linux/slab.h +++ b/tools/testing/radix-tree/linux/slab.h @@ -25,4 +25,5 @@ struct kmem_cache *kmem_cache_create(const char *name, unsigned int size, void (*ctor)(void *)); void kmem_cache_free_bulk(struct kmem_cache *cachep, size_t, void **); +int kmem_cache_alloc_bulk(struct kmem_cache *cachep, gfp_t, size_t, void **); #endif /* SLAB_H */ -- 2.28.0