Regarding HMM
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- To: linux-mm@xxxxxxxxx
- Subject: Regarding HMM
- From: Valmiki <valmikibow@xxxxxxxxx>
- Date: Tue, 18 Aug 2020 12:45:06 +0530
- Cc: jglisse@xxxxxxxxxx
- User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0
Hi All,
Im trying to understand heterogeneous memory management, i have
following doubts.
If HMM is being used we dont have to use DMA controller on device for
memory transfers ?
Without DMA if software is managing page faults and migrations, will
there be any performance impacts ?
Is HMM targeted for any specific use cases where DMA controller is not
there on device ?
Regards,
Valmiki
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