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linux-stable/drivers/hv
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Tianyu Lan 0fb0ea3cb8 hv_balloon: Balloon up according to request page number 
commit d33c240d47 upstream.

Current code has assumption that balloon request memory size aligns
with 2MB. But actually Hyper-V doesn't guarantee such alignment. When
balloon driver receives non-aligned balloon request, it produces warning
and balloon up more memory than requested in order to keep 2MB alignment.
Remove the warning and balloon up memory according to actual requested
memory size.

Fixes: f671223847 ("hv: hv_balloon: avoid memory leak on alloc_error of 2MB memory block")
Cc: stable@vger.kernel.org
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-14 16:32:12 -05:00
..
channel.c Drivers: hv: vmbus: check the creation_status in vmbus_establish_gpadl() 2018-12-05 19:41:26 +01:00
channel_mgmt.c Drivers: hv: vmbus: Offload the handling of channels to two workqueues 2018-12-13 09:18:53 +01:00
connection.c Drivers: hv: vmbus: Offload the handling of channels to two workqueues 2018-12-13 09:18:53 +01:00
hv.c Drivers: hv: vmbus: Fix synic per-cpu context initialization 2019-11-20 17:59:56 +01:00
hv_balloon.c hv_balloon: Balloon up according to request page number 2020-02-14 16:32:12 -05:00
hv_fcopy.c Drivers: hv: fcopy: restore correct transfer length 2017-09-22 10:29:54 +02:00
hv_kvp.c
hv_snapshot.c
hv_util.c
hv_utils_transport.c
hv_utils_transport.h
hyperv_vmbus.h Drivers: hv: vmbus: Offload the handling of channels to two workqueues 2018-12-13 09:18:53 +01:00
Kconfig x86, hyperv: remove PCI dependency 2019-01-13 10:00:59 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ring_buffer.c Drivers: hv: vmbus: Check for ring when getting debug info 2019-01-31 08:13:44 +01:00
vmbus_drv.c Drivers: hv: vmbus: Check for ring when getting debug info 2019-01-31 08:13:44 +01:00