From: K. Y. Srinivasan Date: Sat, 26 Jan 2013 00:18:47 +0000 (-0800) Subject: Drivers: hv: balloon: Make adjustments to the pressure report X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0731572b6c529f8e8a320dc4df6d67d9a595ecf3;p=deliverable%2Flinux.git 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index ce6f984535ec..32a96f164dc8 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -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),