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Some drivers have special memory requirements for their buffers, usually related to DMA (e.g. GFP_DMA or __GFP_DMA32). Make it possible to specify additional GFP flags for those buffers by adding a gfp_flags field to vb2_queue. Note that this field will be replaced in the future with a different mechanism, but that is still work in progress and we need this feature now so we won't be able to convert drivers with such requirements to vb2. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Federico Vaga <federico.vaga@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> |
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