From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6452E3E9587; Wed, 25 Feb 2026 16:42:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772037732; cv=none; b=bdlE0vfnMcAVl2JLosKsR5aAE8kpJHKswo7kHy+0xJcqa2kZuOJ+LTMviI8Z8NsKNPOYZ0B7aGOxKi9pU9GPAi2wQMK3lTuZGnB1plfit04wHVhz9UZSZMnqThP9RsMTh0qRvDEXuUUytQS86JJRHXlSK30HqUqlzp2wbznUg3k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772037732; c=relaxed/simple; bh=5eRES9IJzrhq6zmZepgudykCny//SFXm37BLxrFr738=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=vAwOGb6gN5pdg7SZ05OH7THhDyuvkohdwBqf2a6aCAY1I8qyred5Ccgx2Bon8uxDm1xof4mVoafvh5spREjROulKDLZQgEk8HVB+h+N2zVpOEV6Pbu/SG9/HcIDa9jVS4OiUbqxirNyZnzb5FJgJ30of+Bk8TnecOgy4vVmENIs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gaWdSdqJ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gaWdSdqJ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 909BEC2BC87; Wed, 25 Feb 2026 16:42:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772037732; bh=5eRES9IJzrhq6zmZepgudykCny//SFXm37BLxrFr738=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=gaWdSdqJyk2rfO6R2i/Rq4sZfKC56WS1WM40M314C2+MoUqCykXKONzIZmhjmX93J A+uAsrfN1mLpl+PeVLbATaGnWena2lmfuRS9bevZN1n8GBXvtWxNX68KGx7XqJUXSj kVPdOYauJvjgcRHZvyJp7m4nobJIz1i7KmEo3BBCda4nKwi0Txy5KB5966/jVKVV3C pNGpsdPDFU/kbF+RG7FhZmFiu85dNOMRrGowNJU5+totaLK3gA1KjJo9Ikg/rA0eHx 451KMUgszIHvYsQoByint44EISSPFCrbWNXQs3e1Fu+2RUhYE9lYMvJcZ2XAaRrZ/Z MZqdN5+gmhVEg== From: Maxime Ripard Date: Wed, 25 Feb 2026 17:41:53 +0100 Subject: [PATCH 5/7] dma-buf: heaps: Export mem_accounting parameter Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260225-dma-buf-heaps-as-modules-v1-5-2109225a090d@kernel.org> References: <20260225-dma-buf-heaps-as-modules-v1-0-2109225a090d@kernel.org> In-Reply-To: <20260225-dma-buf-heaps-as-modules-v1-0-2109225a090d@kernel.org> To: Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T.J. Mercier" , =?utf-8?q?Christian_K=C3=B6nig?= , Marek Szyprowski , Robin Murphy , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Cc: linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-mm@kvack.org, Maxime Ripard X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1064; i=mripard@kernel.org; h=from:subject:message-id; bh=5eRES9IJzrhq6zmZepgudykCny//SFXm37BLxrFr738=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDJnz1QJa+s1ijMu9+XLnvVgTuiJkztL1Ez9dZDkl5cDWk uK4bEZ2x1QWBmFOBlkxRZYnMmGnl7cvrnKwX/kDZg4rE8gQBi5OAZhIsC9jw67djtzh+g/PW7+c 7bqE8dPDGKW25vm1uY+33phvn1UoHTSLfwWr0ad4br1M7cmxDRrOjHW2j3pqNeyurbWr/6Sy6zj r29och4ufjLuCl1QyX7+l6Tb7rCHTsYlpSt+sIisF3lQdygMA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D The mem_accounting kernel parameter is used by heaps to know if they should account allocations in their respective cgroup controllers. Since we're going to allow heaps to compile as modules, we need to export that variable. Signed-off-by: Maxime Ripard --- drivers/dma-buf/dma-heap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c index ac5f8685a649496c0e1c6decbf263b63fa472d04..a76bf3f8b071a3d5bf39a8513f31e9e8aa16e02f 100644 --- a/drivers/dma-buf/dma-heap.c +++ b/drivers/dma-buf/dma-heap.c @@ -51,10 +51,11 @@ static DEFINE_XARRAY_ALLOC(dma_heap_minors); bool __read_mostly mem_accounting; module_param(mem_accounting, bool, 0444); MODULE_PARM_DESC(mem_accounting, "Enable cgroup-based memory accounting for dma-buf heap allocations (default=false)."); +EXPORT_SYMBOL_NS_GPL(mem_accounting, "DMA_BUF_HEAP"); static int dma_heap_buffer_alloc(struct dma_heap *heap, size_t len, u32 fd_flags, u64 heap_flags) { -- 2.53.0