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0a36e37b8d
Add iommu_dma_numa_policy= kernel parameter which can be used to modify the NUMA allocation policy of remapped buffer allocations. Policy is only used for devices which are not associated with a NUMA node. Syntax identical to what tmpfs accepts as it's mpol argument is accepted. Some examples: iommu_dma_numa_policy=interleave iommu_dma_numa_policy=interleave=skip-interleave iommu_dma_numa_policy=bind:0-3,5,7,9-15 iommu_dma_numa_policy=bind=static:1-2 Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Linux kernel
There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first.
In order to build the documentation, use make htmldocs or
make pdfdocs. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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