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runtime: clh: Enable hugepages support

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This patch adds the configuration option that allows to use hugepages
with Cloud Hypervisor guests.

Fixes: #2648

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2021-09-15 10:43:57 -07:00
parent 2a26c2397d
commit d00decc97d
2 changed files with 7 additions and 0 deletions
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5
src/runtime/cli/config/configuration-clh.toml.in
View File

@ -109,6 +109,11 @@ virtio_fs_cache = "@DEFVIRTIOFSCACHE@"
# or nvdimm.
block_device_driver = "virtio-blk"
# Enable huge pages for VM RAM, default false
# Enabling this will result in the VM memory
# being allocated using huge pages.
#enable_hugepages = true
# This option changes the default hypervisor and kernel parameters
# to enable debug output where available.
#

2
src/runtime/virtcontainers/clh.go
View File

@ -240,6 +240,8 @@ func (clh *cloudHypervisor) createSandbox(ctx context.Context, id string, networ
clh.vmconfig.Memory = chclient.NewMemoryConfig(int64((utils.MemUnit(clh.config.MemorySize) * utils.MiB).ToBytes()))
// shared memory should be enabled if using vhost-user(kata uses virtiofsd)
clh.vmconfig.Memory.Shared = func(b bool) *bool { return &b }(true)
// Enable hugepages if needed
clh.vmconfig.Memory.Hugepages = func(b bool) *bool { return &b }(clh.config.HugePages)
hostMemKb, err := getHostMemorySizeKb(procMemInfo)
if err != nil {
return nil