From patchwork Thu Apr 2 12:32:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uladzislau Rezki X-Patchwork-Id: 11470651 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E3EB381 for ; Thu, 2 Apr 2020 12:33:11 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AFA8120784 for ; Thu, 2 Apr 2020 12:33:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OlZDoiBa" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AFA8120784 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id ADD2A8E000A; Thu, 2 Apr 2020 08:33:07 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id A8AC28E0007; Thu, 2 Apr 2020 08:33:07 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9C7F78E000A; Thu, 2 Apr 2020 08:33:07 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0184.hostedemail.com [216.40.44.184]) by kanga.kvack.org (Postfix) with ESMTP id 802C78E0007 for ; Thu, 2 Apr 2020 08:33:07 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 36F778248068 for ; Thu, 2 Apr 2020 12:33:07 +0000 (UTC) X-FDA: 76662854814.26.tank31_728215abd1d04 X-Spam-Summary: 2,0,0,532e9d997c5919bb,d41d8cd98f00b204,urezki@gmail.com,,RULES_HIT:41:355:379:541:800:960:966:973:982:988:989:1260:1311:1314:1345:1359:1437:1515:1535:1542:1711:1730:1747:1777:1792:2196:2199:2393:2559:2562:3138:3139:3140:3141:3142:3353:3866:3868:3871:3874:4250:4321:4385:5007:6261:6653:7514:9163:9413:10004:11026:11658:11914:12043:12291:12296:12297:12438:12517:12519:12555:12683:12895:12986:13894:14110:14181:14394:14687:14721:21080:21444:21451:21627:21666:21990:30029:30054:30056,0,RBL:209.85.167.67:@gmail.com:.lbl8.mailshell.net-62.18.0.100 66.100.201.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:23,LUA_SUMMARY:none X-HE-Tag: tank31_728215abd1d04 X-Filterd-Recvd-Size: 5451 Received: from mail-lf1-f67.google.com (mail-lf1-f67.google.com [209.85.167.67]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Thu, 2 Apr 2020 12:33:06 +0000 (UTC) Received: by mail-lf1-f67.google.com with SMTP id 131so2517443lfh.11 for ; Thu, 02 Apr 2020 05:33:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3oNMXTSVy6jGvNXMWanVwf0wUd7Pg4Fz/TBszTFSFfc=; b=OlZDoiBaVRrpoMJPay8t+WC3BkVs+tt0VdHzuxgyBkOT2r6MXRPRUR9UJ0//vbVKNv bEWbizoTcF9IbGwXwBzEr1QZyX42bIzYKshqx8sGRId4dnGSWFNjOMFTdV+0eMME1DeS lYCWaeujh92t6PK/3Saxj2ffSYTY4/ZZBTKMOL0xLNZmbDxsjz/5dRkjX5SNfaze+KzJ ldQi7LMb+Vdz9SLtHsf0gYNmjpqxfasnvbKtbTT1gU9kBstPflxXVihIlY4I+vOBFCD1 U/iR2GDM7Evm8MoRLlRmY/qJT3D7jJ8P6GzScjGq7s1zwoZi/mj/jeDNjd0el+pgyDeT gfag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3oNMXTSVy6jGvNXMWanVwf0wUd7Pg4Fz/TBszTFSFfc=; b=HHeAXBBwtTnoFOE1QflWuk3d7L4do4b6mDc1Nlj8GIJNaJOKz25WKKMDl8NM0ThH9j wP/xXgcYutiibQgpACvP4OAMjHKsojjL7qS7E8XcmJQpBjFPR1LIdy9ohu2xQltb7T2i lHGIXU6lMirvhWDywDTIesd/t7kXX3popcnm4yIzLSXhKenSnBrFP8RfoTu3sDNo/VdM 2XEW/IA8N/dXNozM2PhExjDyIyw+72+qXaXXUxm0omsoezU9wtnKFxaRIf3e96h62M2Y 3igF9dTsFBewCRp0oyCvk/4kOtWjZQaZnoieoafd82vV0GWYpKjmphBLyrSRh0taapS9 6URw== X-Gm-Message-State: AGi0Pub98PltByju462GrQ7ekT+aYTp/MSFOniIExyuRddU4EstISazA BqtNFSqTQvtNdxIyBDRGnl4= X-Google-Smtp-Source: APiQypKnYbGd+eszPt18ZrxvAEAYuoPzYQvfhiUJdasXhLB4S4rCjVPMPTpyxWOGOWWeRpXnluqc0Q== X-Received: by 2002:a05:6512:3f4:: with SMTP id n20mr1966754lfq.185.1585830785323; Thu, 02 Apr 2020 05:33:05 -0700 (PDT) Received: from pc636.lan (h5ef52e31.seluork.dyn.perspektivbredband.net. [94.245.46.49]) by smtp.gmail.com with ESMTPSA id u25sm3833494lfo.71.2020.04.02.05.33.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Apr 2020 05:33:04 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: LKML , "Paul E . McKenney" , Joel Fernandes Cc: RCU , linux-mm@kvack.org, Andrew Morton , Uladzislau Rezki , Steven Rostedt , Oleksiy Avramchenko Subject: [PATCH 3/3] lib/test_vmalloc.c: introduce two new test cases Date: Thu, 2 Apr 2020 14:32:53 +0200 Message-Id: <20200402123253.10382-3-urezki@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200402123253.10382-1-urezki@gmail.com> References: <20200402123253.10382-1-urezki@gmail.com> MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Introduce two more test cases which are specific for RCU freeing of vmalloc pointer. One test case is for object that has rcu_head inside and second one is for headless testing. Signed-off-by: Uladzislau Rezki (Sony) --- lib/test_vmalloc.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c index 8bbefcaddfe8..1734ba7fc400 100644 --- a/lib/test_vmalloc.c +++ b/lib/test_vmalloc.c @@ -15,6 +15,7 @@ #include #include #include +#include #define __param(type, name, init, msg) \ static type name = init; \ @@ -43,6 +44,8 @@ __param(int, run_test_mask, INT_MAX, "\t\tid: 32, name: random_size_align_alloc_test\n" "\t\tid: 64, name: align_shift_alloc_test\n" "\t\tid: 128, name: pcpu_alloc_test\n" + "\t\tid: 256, name: kvfree_rcu_with_head_test\n" + "\t\tid: 512, name: kvfree_rcu_head_less_test\n" /* Add a new test case description here. */ ); @@ -328,6 +331,49 @@ pcpu_alloc_test(void) return rv; } +struct test_kvfree_rcu { + struct rcu_head rcu; + unsigned char array[100]; +}; + +static int +kvfree_rcu_with_head_test(void) +{ + struct test_kvfree_rcu *p; + int i; + + for (i = 0; i < test_loop_count; i++) { + p = vmalloc(1 * PAGE_SIZE); + + if (!p) + return -1; + + p->array[0] = 'a'; + kvfree_rcu(p, rcu); + } + + return 0; +} + +static int +kvfree_rcu_head_less_test(void) +{ + struct test_kvfree_rcu *p; + int i; + + for (i = 0; i < test_loop_count; i++) { + p = vmalloc(1 * PAGE_SIZE); + + if (!p) + return -1; + + p->array[0] = 'a'; + kvfree_rcu(p); + } + + return 0; +} + struct test_case_desc { const char *test_name; int (*test_func)(void); @@ -342,6 +388,8 @@ static struct test_case_desc test_case_array[] = { { "random_size_align_alloc_test", random_size_align_alloc_test }, { "align_shift_alloc_test", align_shift_alloc_test }, { "pcpu_alloc_test", pcpu_alloc_test }, + { "kvfree_rcu_with_head_test", kvfree_rcu_with_head_test }, + { "kvfree_rcu_head_less_test", kvfree_rcu_head_less_test }, /* Add a new test case here. */ };