Shared memory mappings for devices [LWN.net]

Shared memory mappings for devices

Posted May 7, 2018 20:42 UTC (Mon) by luto (subscriber, #39314)
In reply to: Shared memory mappings for devices by willy
Parent article: Shared memory mappings for devices

On x86, we already have ctx_id. That could easily be moved to core code.

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Posted May 7, 2018 21:02 UTC (Mon) by willy (subscriber, #9762) [Link] (1 responses)

I talked with Dave Hansen about ctx_id already. mm_id can replace it.

Posted May 7, 2018 21:37 UTC (Mon) by luto (subscriber, #39314) [Link]

Would it be u64? It’s quite important that it never gets reused.