From: Guo Ren <ren_guo@c-sky.com>
To: Christoph Hellwig <hch@lst.de>
Cc: iommu@lists.linux-foundation.org,
Robin Murphy <robin.murphy@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Laura Abbott <labbott@redhat.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 8/9] csky: don't use GFP_DMA in atomic_pool_init
Date: Mon, 5 Nov 2018 23:47:50 +0800 [thread overview]
Message-ID: <20181105154750.GB25126@guoren-Inspiron-7460> (raw)
In-Reply-To: <20181105121931.13481-9-hch@lst.de>
On Mon, Nov 05, 2018 at 01:19:30PM +0100, Christoph Hellwig wrote:
> csky does not implement ZONE_DMA, which means passing GFP_DMA is a no-op.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> arch/csky/mm/dma-mapping.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/csky/mm/dma-mapping.c b/arch/csky/mm/dma-mapping.c
> index 85437b21e045..ad4046939713 100644
> --- a/arch/csky/mm/dma-mapping.c
> +++ b/arch/csky/mm/dma-mapping.c
> @@ -35,7 +35,7 @@ static int __init atomic_pool_init(void)
> if (!atomic_pool)
> BUG();
>
> - page = alloc_pages(GFP_KERNEL | GFP_DMA, get_order(size));
> + page = alloc_pages(GFP_KERNEL, get_order(size));
> if (!page)
> BUG();
>
> --
> 2.19.1
Acked-by: Guo Ren <ren_guo@c-sky.com>
next prev parent reply other threads:[~2018-11-05 15:48 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-05 12:19 move the arm arch_dma_alloc implementation to common code Christoph Hellwig
2018-11-05 12:19 ` [PATCH 1/9] dma-direct: provide page based alloc/free helpers Christoph Hellwig
2018-11-30 19:04 ` Robin Murphy
2018-12-01 16:56 ` Christoph Hellwig
2018-11-05 12:19 ` [PATCH 2/9] dma-direct: reject highmem pages from dma_alloc_from_contiguous Christoph Hellwig
2018-11-30 19:04 ` Robin Murphy
2018-12-01 16:57 ` Christoph Hellwig
2018-11-05 12:19 ` [PATCH 3/9] dma-mapping: move the remap helpers to a separate file Christoph Hellwig
2018-11-30 19:05 ` Robin Murphy
2018-12-01 16:59 ` Christoph Hellwig
2018-11-05 12:19 ` [PATCH 4/9] dma-mapping: move the arm64 ncoherent alloc/free support to common code Christoph Hellwig
2018-11-15 19:50 ` Will Deacon
2018-11-30 19:05 ` Robin Murphy
2018-12-01 17:03 ` Christoph Hellwig
2018-12-04 10:09 ` Russell King - ARM Linux
2018-12-04 14:22 ` Christoph Hellwig
2018-11-05 12:19 ` [PATCH 5/9] dma-mapping: support highmem in the generic remap allocator Christoph Hellwig
2018-11-30 19:05 ` Robin Murphy
2018-12-04 8:38 ` Marek Szyprowski
2018-12-04 14:23 ` Christoph Hellwig
[not found] ` <CGME20181205101414eucas1p2fdde1c06ad6352293980b94b86b022f9@eucas1p2.samsung.com>
2018-12-05 10:14 ` [PATCH] dma-mapping: fix lack of DMA address assignment in " Marek Szyprowski
2018-12-05 12:35 ` Thierry Reding
2018-12-05 13:49 ` Christoph Hellwig
2018-11-05 12:19 ` [PATCH 6/9] dma-remap: support DMA_ATTR_NO_KERNEL_MAPPING Christoph Hellwig
2018-11-30 19:05 ` Robin Murphy
2018-12-01 17:05 ` Christoph Hellwig
2018-11-05 12:19 ` [PATCH 7/9] csky: don't select DMA_NONCOHERENT_OPS Christoph Hellwig
2018-11-05 15:47 ` Guo Ren
2018-11-05 12:19 ` [PATCH 8/9] csky: don't use GFP_DMA in atomic_pool_init Christoph Hellwig
2018-11-05 15:47 ` Guo Ren [this message]
2018-11-05 12:19 ` [PATCH 9/9] csky: use the generic remapping dma alloc implementation Christoph Hellwig
2018-11-06 7:01 ` Guo Ren
2018-11-09 7:51 ` Christoph Hellwig
2018-11-09 7:52 ` move the arm arch_dma_alloc implementation to common code Christoph Hellwig
2018-11-15 19:50 ` Will Deacon
2018-11-15 20:58 ` Robin Murphy
2018-11-27 7:37 ` Christoph Hellwig
2018-11-28 12:18 ` Robin Murphy
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