From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E0443A9D8A for ; Wed, 8 Jul 2026 23:49:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783554551; cv=none; b=itGhOXVvDdPWLHpwHj2gQvrhBIIsVaiW9fbe287SDNkvdOmpqCh/nUfDlCj03u7kxT9wuCR1yH7VoYLMdMJJZOiE2faV57wiMtHIH6LE5Wzs2AYPFmuqGeM/prdBW44Q8jUNLx+xqy6GJTgQiD2E6yTqP0A9e0MzlyHwg76UYQ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783554551; c=relaxed/simple; bh=8OoZvLMH4ThuGxhQEiXShDSuroGIAHdNtptcInC9DpY=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=ioW5OfB0b6EHQ0gtlBXCXZ4AJTrOytInjNqS1XXsbrX7k3d1Nyvo3U9jRcIBgXF0bVKzxL9cUyM4jXqgX81ugdjNYgLsGd+nBwfeiaYXAOMFY2IPsF47xOW2l7bFgflulQX70vJmtuuJxb/QoiL8OTOik1NkGWtosCoxD4VLEvI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--skhawaja.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=PutxWSiI; arc=none smtp.client-ip=209.85.214.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--skhawaja.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="PutxWSiI" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-2cc7e86e7c5so22780525ad.3 for ; Wed, 08 Jul 2026 16:49:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1783554542; x=1784159342; darn=vger.kernel.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=PutxWSiIrmfE56YA7Rsi53bL2rfPHKcpPWlXk7K14HCRT20tmZR6TDYt51c+R9EqTo 9MAWc913AhwsFHOjSTpj1izF8GdnKIBm1AAl9uiuw8tciPmSdVUChT2eWbi5OAxVVhyS wJrH3rlqJuuQ9tqJ7Ou1vnP1XILUhB8at88+U/ViR8eVr747E4dBo9c0gBDyJxqXFsLE WPRwyRtk0XPK6Pggo4DU5z9c2BBtNemMEUSkMBYXGB9zu4FMmrb1nCyUjDE8VOAcYNLz Arbt2enP5eNxbQclQ1pZEfDXBTewQPUU5fu4JQDHhCahZTgyRFM+yP3JzzDzGHEuw1/q 0Mdg== 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=TH8lCBYqB77PQ5d211wEr+TNCEeZhXC9/e4wL947VrvQs4Uq11aM+Ybb1FH1bXXToj KojRbEmnIAFRvY3JZUy5W18qDhRUFduzb9qqxLJoJsQakHq+MFNLWl7DzOx0wy2WyeJa lTR0hrCKfXqU4VE29wQRDYrsT7wG5uammBZopId2hNYSnQiitMAieb9ktz9YEncg04z8 RitIsiVtAJsaGe1eA2/XanEmGpWgYplsTUAPmnBkUuNu1timeK2EQvVI3u1CDXxDABrF weqPETFND0+oxnEJBVP/iO0jq+TaVGg6/vI6ICQwtlWHlRn2sS9gIIaiLaqnftAj/NSc J/Eg== X-Forwarded-Encrypted: i=1; AHgh+RrsL2w/rVkq5Nsa0aC2ViB8qrvX/jy/GZWLBeWt7/QVfpbJZ7JJRuMNdOfobygZZgozYWNo654UqsD70Nw=@vger.kernel.org X-Gm-Message-State: AOJu0YzPW7T52vEGK7QtbWpR3xJeTcWjiMdlXCRAtsAH9MtUpMa0Hcjl 4X37vd/HFxmLzT+PvHF929hqljP2KGGreaXwYYp4sK+li8rAQQ5kUsb1VBXLH90vrcSda5FGtDi Q/hGI5NvBVA4RGA== 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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" 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