v1: https://lore.kernel.org/lkml/20220223131548.2234326-1-boqun.feng@gmail.com/
Changes since v1:
* Wording changes suggested by Michael Kelley.
Since Hyper-V always uses 4k pages, hv_balloon has some difficulties
working on ARM64 with larger pages[1]. Besides the memory hot add
messages of Hyper-V doesn't have the information of NUMA node id of the
added memory range, and ARM64 currently doesn't provide the conversion
from a physical address to a node id, as a result the hv_balloon driver
couldn't handle hot add properly when there are more than one NUMA node.
Among these issues, post_status() is easy to fix, while the unballoon
issue and the hot-add issue requires more discussion. To make the
hv_balloon driver work at the best effort, this patchset fixes the
post_status() and temporarily disable the balloon and hot-add
accordingly.
Looking forwards to comments and suggestions.
Regards,
Boqun
[1]: https://lore.kernel.org/lkml/20220105165028.1343706-1-vkuznets@redhat.com/
*** BLURB HERE ***
Boqun Feng (2):
Drivers: hv: balloon: Support status report for larger page sizes
Drivers: hv: balloon: Disable balloon and hot-add accordingly
drivers/hv/hv_balloon.c | 49 ++++++++++++++++++++++++++++++++++++-----
1 file changed, 44 insertions(+), 5 deletions(-)
--
2.35.1