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authorK. Y. Srinivasan <kys@microsoft.com>2012-11-15 14:34:42 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-11-15 15:41:22 -0800
commit997071bcb34005f42e0fe5bc7930e895b070f251 (patch)
tree7cc8056370e1c77314fdf0b3fd72bcc69743f24c /drivers/hv/Makefile
parentd892de8d3fb1e807de561289cfb1fed42950440a (diff)
mm: export a function to get vm committed memory
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. [akpm@linux-foundation.org: coding-style tweak] Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Acked-by: David Rientjes <rientjes@google.com> Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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