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Drivers: hv: balloon: Make adjustments to the pressure report 

The host expects that the pressure report includes the pressure due to the
pages that have been ballooned. Make necessary adjustments to reflect that.
Also, include the free memory information in the pressure report.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
wifi-calibration
K. Y. Srinivasan 2013-01-25 16:18:47 -08:00 committed by Greg Kroah-Hartman
parent 06a8f1feb9
commit 0731572b6c
1 changed files with 9 additions and 3 deletions
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12
drivers/hv/hv_balloon.c
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@ -529,15 +529,21 @@ static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)
static void post_status(struct hv_dynmem_device *dm)
{
struct dm_status status;
struct sysinfo val;
si_meminfo(&val);
memset(&status, 0, sizeof(struct dm_status));
status.hdr.type = DM_STATUS_REPORT;
status.hdr.size = sizeof(struct dm_status);
status.hdr.trans_id = atomic_inc_return(&trans_id);
status.num_committed = vm_memory_committed();
/*
* The host expects the guest to report free memory.
* Further, the host expects the pressure information to
* include the ballooned out pages.
*/
status.num_avail = val.freeram;
status.num_committed = vm_memory_committed() + dm->num_pages_ballooned;
vmbus_sendpacket(dm->dev->channel, &status,
sizeof(struct dm_status),