Thread (14 messages) flat view 14 messages, 4 authors, 2017-02-27

Re: [v7, 3/4] powerpc/pseries: Implement indexed-count hotplug memory add

From: Michael Ellerman <hidden>
Date: 2017-02-19 11:33:40

On Wed, 2017-02-15 at 18:45:56 UTC, Nathan Fontenot wrote:
From: Sahil Mehta <redacted>

Indexed-count add for memory hotplug guarantees that a contiguous block
of <count> lmbs beginning at a specified <drc index> will be assigned,
any LMBs in this range that are not already assigned will be DLPAR added.
Because of Qemu's per-DIMM memory management, the addition of a contiguous
block of memory currently requires a series of individual calls to add
each LMB in the block. Indexed-count add reduces this series of calls to
a single call for the entire block.

Signed-off-by: Sahil Mehta <redacted>
Signed-off-by: Nathan Fontenot <redacted>
Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/333f7b76865bec24c66710cf352f89

cheers
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