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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EAAAC433EF for ; Fri, 26 Nov 2021 03:50:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357741AbhKZDxw (ORCPT ); Thu, 25 Nov 2021 22:53:52 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36328 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344500AbhKZDvv (ORCPT ); Thu, 25 Nov 2021 22:51:51 -0500 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 44336C09B114; Thu, 25 Nov 2021 18:47:41 -0800 (PST) Received: by mail-pl1-x62c.google.com with SMTP id n8so5744715plf.4; Thu, 25 Nov 2021 18:47:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=N2rR2M205RaoXv2F1eYgORsUa0WkEJokTNFyh0m1jbQ=; b=G2bPd47mof2kPWU7wel0/tp2qN5l0O1ock7AVXOCjPcUgfdz+VGKWkXiYcX9y1PbIN Uvx3tGvdiFsjdWcDUHq3iDhH1az6OWWLRddAnuGMRXuAQjASQdHm0ixSfecMUpL9le/f eTADybm0qsmMMNVCByp9gq7imYV3VqBKjQnhY0tHT+6qwCx8XaUXkvRuey9ymCNi0yau WoLtDhIwjwasn2UdJ3wxPeYWjNgn2rqVtt87k79XaOwIYg6V+MpeZQfne8XEZGhAs8qK uIbwyrBUBzoVG2kLvZH+NxhP6qMXM6q23hqGf/n2i4+UUUlxzn35ojINybmpkkIdY6PH B+cA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=N2rR2M205RaoXv2F1eYgORsUa0WkEJokTNFyh0m1jbQ=; b=mjkTn2zxXbZupHVT7O375PPEKBfr3gHINgE/PSZVOKEgIUPV1W9KhZ/XEAlL87dd1Z c0RdOB10IQYGAZKj7diO9pKPAHyz1n12BiaR8fBijbSJVpr2aqyf2EJNrBxh7MQnA1Ex SpACqq7WsOIEMV9ZorhtVvWVKM2n/Ep0qTP5+OjWl+o85HzgvDRMEYo5nDiTxE3B/Tpu KX5oXU79FUSH2R5OAyTAuxPnZ78IKnDsLSQ7FG7fwk9Hy20ZwInPwpZa289ZC12G0LdR NF+eVVzNdjysrRxYioqBG8OMicM0LfKo6wDuF+JPcWwqgNxugwFgYyJTpp/nZh5jj0fW zV9g== X-Gm-Message-State: AOAM533DQnub7cyBmc4bUnmkZuODwLowZRUDnSGgIcFv+i2mkrwv3d55 MufkaffnVWHX25Hzua2kB88= X-Google-Smtp-Source: ABdhPJx1btLLTBXEFgpXDPhTCJScji/umzB55h96FNh8lq7mlIt4d/IQDK9YMn2EtbU9mBvwLvrqGg== X-Received: by 2002:a17:902:ab94:b0:143:beb5:b6a7 with SMTP id f20-20020a170902ab9400b00143beb5b6a7mr36447789plr.30.1637894860877; Thu, 25 Nov 2021 18:47:40 -0800 (PST) Received: from localhost.localdomain ([103.99.179.247]) by smtp.gmail.com with ESMTPSA id k14sm4814513pff.6.2021.11.25.18.47.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Nov 2021 18:47:40 -0800 (PST) From: Calvin Zhang To: Christoph Hellwig , Marek Szyprowski , Robin Murphy , Rob Herring , Frank Rowand , Catalin Marinas , Andrew Morton Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Calvin Zhang Subject: [PATCH] mm: kmemleak: Ignore kmemleak scanning on CMA regions Date: Fri, 26 Nov 2021 10:47:11 +0800 Message-Id: <20211126024711.54937-1-calvinzhang.cool@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Just like this: commit 620951e27457 ("mm/cma: make kmemleak ignore CMA regions"). Add kmemleak_ignore_phys() for CMA created from of reserved node. Signed-off-by: Calvin Zhang --- kernel/dma/contiguous.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c index 3d63d91cba5c..66bd9a59615e 100644 --- a/kernel/dma/contiguous.c +++ b/kernel/dma/contiguous.c @@ -50,6 +50,7 @@ #include #include #include +#include #ifdef CONFIG_CMA_SIZE_MBYTES #define CMA_SIZE_MBYTES CONFIG_CMA_SIZE_MBYTES @@ -426,6 +427,9 @@ static int __init rmem_cma_setup(struct reserved_mem *rmem) pr_err("Reserved memory: unable to setup CMA region\n"); return err; } + + kmemleak_ignore_phys(rmem->base); + /* Architecture specific contiguous memory fixup. */ dma_contiguous_early_fixup(rmem->base, rmem->size); -- 2.30.2