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authorOded Gabbay <ogabbay@kernel.org>2020-10-18 15:32:23 +0300
committerOded Gabbay <ogabbay@kernel.org>2020-11-30 10:47:30 +0200
commit3e6229965763129da2105f61cd4e0570ba53cb2b (patch)
treeca7f6d6ae2145f18d03d08bc05b1aae4c3d2c5b9 /.gitignore
parent5de406c0b5c747c40277861ecf204ebfa095caa5 (diff)
habanalabs/gaudi: monitor device memory usage
In GAUDI we don't have an MMU towards the HBM device memory. Therefore, the user access that memory directly through physical address (via the different engines) without the need to go through the driver to allocate/free memory on the HBM. For system monitoring purposes, the driver will keep track of the HBM usage. This can be done as long as the user accurately reports the allocations and releases of HBM memory, through the existing MEMORY IOCTL uapi. Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
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