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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 12080C44509 for ; Wed, 8 Jul 2026 23:49:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:Cc:To:From: Subject:Message-ID:References:Mime-Version:In-Reply-To:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=S36ZhlE0su/Uhwn2a42SI+N6oTSNT9EqACGdaCh7Irk=; b=eVgd9+DJk36P473EBMCWCAjEib sTv4xs+Bwd7NwAf0bceNAUxfv9sZLBWPXqV5hhBZ8Mc3mrCUQaIh3/7X+yKHIiHSeLBeRajK2IltQ 6QcfSbJ0RSqpQPrsbZIwNAk0ezYK9/VqSZpPVq0fTJWfbkv7z/2pnp4+agsv0JgRfoexEqK/8PbGl LVsqXkaxcoQ/3jAckqNg8bFZbYZ8M+CkoBnK/7WdF4hakuvoE2542RSCTnG/5IgPdd/rzySpE5Lc5 PY/44kATpeVbeSg5WJ6/3W7is1sXYkQ3W4xP3gfgMNfArEQfg+ED148tbl67Xuo+tsiKETiS89lNA W4DbmNNQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1whc0p-00000000d5n-096h; Wed, 08 Jul 2026 23:49:07 +0000 Received: from mail-pl1-x649.google.com ([2607:f8b0:4864:20::649]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1whc0l-00000000czm-17Oa for kexec@lists.infradead.org; Wed, 08 Jul 2026 23:49:04 +0000 Received: by mail-pl1-x649.google.com with SMTP id d9443c01a7336-2c804e38c65so28117605ad.2 for ; Wed, 08 Jul 2026 16:49:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1783554542; x=1784159342; darn=lists.infradead.org; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:from:to:cc:subject:date:message-id:reply-to :content-type; bh=S36ZhlE0su/Uhwn2a42SI+N6oTSNT9EqACGdaCh7Irk=; b=bY1JpYXFchfAsd2+Bas+Aw0XZnus5iCiY3K/Z0T3lgg0CRe4imWXrRtCJrMdnG/Po1 gdiSkA0eHlrann6d5bz+2FIqVbtABtcNqH0t/2unfUYr6WYRknAXcGCFVGi1yGVLsY8t WUJ6hY+p6A6WLQN8mYgZz+6U6tFj7e9YRqCin7YbbbgyKDWK6Z6FveASA16PWOCFunRd HoKHv9OW1fbwUxqQaoOMrvNBzA2pgV9Wz7UiRFQIjTszLLg498xPBf+vivHKiTiWrmjI BiJuBDIu0x9EWH1hVofv5iwYZMfp9esH1IvyA8WD8v5iR7VqimYL3VXyrzhUFE333WbF tQDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783554542; x=1784159342; h=content-type:cc:to:from:subject:message-id:references:mime-version :in-reply-to:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=S36ZhlE0su/Uhwn2a42SI+N6oTSNT9EqACGdaCh7Irk=; b=aBX2iAIFC4K4F36MerYGoky/jM81gGV4tp182ZYgKKfM4NISBAVDPfNFfaR5RiY1V3 Om/YLEhA3b5kbOQYT3Am9/N/m7cu1D9KL63jZ1sGCvtTiB2GuKA+zzVXhhLv2rGS/tfL wTfwS1HZiwPSx5QJlZgl59n5wNhaAvFmEo94EXXU3iUkcWjhp2uur+CTVYY7HztWn65x INCHFndejKoV7Lp6bjlE2LRnKaCkPAOIXW4pjYtz+GSExf7Y3EP+GUuM0fRu4jwtmqOL vWF+3XCyk+T5bLLPKc+j5fRZBtArrSOJW1bjx8Mquekdp3ZVQg66V9UFDlhjRBfiALDP N50Q== X-Forwarded-Encrypted: i=1; AHgh+Rr+lGHpe+sK/4aWDmZzuL6lfBhRJhj2MQ6my8Zlt1+veghe1gRmeEGCISQ1hnpqL4K1Q9qhOg==@lists.infradead.org X-Gm-Message-State: AOJu0YyimZm1hCBas2QjNq9d9p/ZsuBzZxoarulDlsxSikm9M3Y4nlJP 0T8uvQQsVIbP9AYJ37iHlEfAQAJspeu7jMIEBlcBv7moBJi/ErocyEtEqJN6JyGWf9656AADt/9 9meReoS7Z6KFk0A== X-Received: from pgcn4.prod.google.com ([2002:a63:7204:0:b0:c99:3b68:c9c6]) (user=skhawaja job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:4d8e:b0:3c0:b766:74f4 with SMTP id adf61e73a8af0-3c0bca47d59mr5364528637.31.1783554541947; Wed, 08 Jul 2026 16:49:01 -0700 (PDT) Date: Wed, 8 Jul 2026 23:48:52 +0000 In-Reply-To: <20260708234854.4044652-1-skhawaja@google.com> Mime-Version: 1.0 References: <20260708234854.4044652-1-skhawaja@google.com> X-Mailer: git-send-email 2.55.0.795.g602f6c329a-goog Message-ID: <20260708234854.4044652-9-skhawaja@google.com> Subject: [RFC PATCH v2 08/10] dma: contiguous: Export is_from_cma helper for kunit From: Samiullah Khawaja To: Marek Szyprowski , Will Deacon , Jason Gunthorpe Cc: Samiullah Khawaja , Pasha Tatashin , Mike Rapoport , Pratyush Yadav , Alexander Graf , Robin Murphy , Kevin Tian , iommu@lists.linux.dev, kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, David Matlack , Andrew Morton , Pranjal Shrivastava , Vipin Sharma Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260708_164903_308263_10FA1842 X-CRM114-Status: GOOD ( 11.39 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org The is_from_cm() can be used to check if a memory allocation is done from CMA. Export the helper when kunit is enabled so it can be used by the kunit tests. Signed-off-by: Samiullah Khawaja --- kernel/dma/contiguous.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c index 0b1702bf39ca..6d0cf9c7528c 100644 --- a/kernel/dma/contiguous.c +++ b/kernel/dma/contiguous.c @@ -37,6 +37,8 @@ #define pr_fmt(fmt) "cma: " fmt +#include + #include #include @@ -153,6 +155,7 @@ bool dma_is_from_cma(phys_addr_t phys, size_t size) return cma_for_each_area(dma_cma_check_area, &chk) != 0; } +EXPORT_SYMBOL_IF_KUNIT(dma_is_from_cma); #ifdef CONFIG_DMA_NUMA_CMA -- 2.55.0.795.g602f6c329a-goog