> On Feb 8, 2019, at 3:13 AM, Greg Kroah-Hartman <gre...@linuxfoundation.org> > wrote: > > On Wed, Feb 06, 2019 at 03:57:02PM -0800, Nadav Amit wrote: >> From: Xavier Deguillard <xdeguill...@vmware.com> >> >> Currently, the balloon driver would fail to run if memory is greater >> than 16TB of vRAM. Previous patches have already converted the balloon >> target and size to 64-bit, so all that is left to do add is to avoid >> asserting memory is smaller than 16TB if the hypervisor supports 64-bits >> target. >> >> The driver advertises a new capability VMW_BALLOON_64_BITS_TARGET. >> Hypervisors that support 16TB of memory or more will report that this >> capability is enabled. >> >> Signed-off-by: Xavier Deguillard <xdeguill...@vmware.com> >> Signed-off-by: Nadav Amit <na...@vmware.com> >> --- >> drivers/misc/vmw_balloon.c | 18 +++++++++++++++--- >> 1 file changed, 15 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c >> index c4371ec132d3..f96dc3690ade 100644 >> --- a/drivers/misc/vmw_balloon.c >> +++ b/drivers/misc/vmw_balloon.c >> @@ -72,15 +72,26 @@ enum vmwballoon_capabilities { >> VMW_BALLOON_BATCHED_CMDS = (1 << 2), >> VMW_BALLOON_BATCHED_2M_CMDS = (1 << 3), >> VMW_BALLOON_SIGNALLED_WAKEUP_CMD = (1 << 4), >> + VMW_BALLOON_64_BIT_TARGET = (1 << 5) > > Nit, this should be BIT(5), right? > > You can change that in a later patch...
Will do.