Cc: iommu@lists.linux-foundation.org; Linuxarm ;
> linux-arm-ker...@lists.infradead.org; linux-ker...@vger.kernel.org; Nicolas
> Saenz Julienne ; Steve Capper
> ; Andrew Morton ;
> Mike Rapoport
> Subject: Re: [PATCH v2 2/2] arm64: mm: reserve per-numa CMA after
> numa_init
>
On 2020-06-25 08:43, Barry Song wrote:
Right now, smmu is using dma_alloc_coherent() to get memory to save queues
and tables. Typically, on ARM64 server, there is a default CMA located at
node0, which could be far away from node2, node3 etc.
with this patch, smmu will get memory from local numa
Right now, smmu is using dma_alloc_coherent() to get memory to save queues
and tables. Typically, on ARM64 server, there is a default CMA located at
node0, which could be far away from node2, node3 etc.
with this patch, smmu will get memory from local numa node to save command
queues and page
