Re: [PATCH 1/1] mm: Export a function to get vm committed memory

From: David Rientjes
Date: Tue Nov 13 2012 - 16:07:23 EST


On Tue, 13 Nov 2012, K. Y. Srinivasan wrote:

> It will be useful to be able to access global memory commitment from device
> drivers. On the Hyper-V platform, the host has a policy engine to balance
> the available physical memory amongst all competing virtual machines
> hosted on a given node. This policy engine is driven by a number of metrics
> including the memory commitment reported by the guests. The balloon driver
> for Linux on Hyper-V will use this function to retrieve guest memory commitment.
> This function is also used in Xen self ballooning code.
>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

Very nice!
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/