system.hugepages: sysctl vm.nr_hugepages
Allow hugepages to be used right away. This is a best effort attempt,
as memory might be too fragmented to free enough contiguous regions
for all hugepages, so early allocation during boot remains the norm.
This allows using ovs-switchd-dpdk without rebooting the node first.
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
diff --git a/linux/system/hugepages.sls b/linux/system/hugepages.sls
index 81eb7d6..1c43262 100644
--- a/linux/system/hugepages.sls
+++ b/linux/system/hugepages.sls
@@ -29,6 +29,13 @@
- mkmnt: true
- opts: mode=775,pagesize={{ hugepages.size }}
+# Make hugepages available right away with a temporary systctl write
+# This will be handled via krn args after reboot, so don't use `sysctl.present`
+hugepages_sysctl_vm_nr_hugepages:
+ cmd.run:
+ - name: "sysctl vm.nr_hugepages={{ hugepages.count }}"
+ - unless: "sysctl vm.nr_hugepages | grep -qE '{{ hugepages.count }}'"
+
{%- endif %}
{%- endfor %}