From 9367bf178f4feaa88b9bcc2925034c8bed75a946 Mon Sep 17 00:00:00 2001
From: Michal Berger <michalx.berger@intel.com>
Date: Wed, 24 Nov 2021 17:00:35 +0100
Subject: [PATCH] scripts/setup: Fallback to /proc/sys/vm/nr_hugepages if NUMA
 is not available

Signed-off-by: Michal Berger <michalx.berger@intel.com>
Change-Id: I1801c36ac889e2a25eb937b65382addbbcf7d8b9
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10394
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
---
 scripts/setup.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/scripts/setup.sh b/scripts/setup.sh
index d402b3fe8..192c3e91e 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -448,6 +448,12 @@ configure_linux_hugepages() {
 		nodes[${node##*node}]=$node/hugepages/hugepages-${HUGEPGSZ}kB/nr_hugepages
 	done
 
+	if ((${#nodes[@]} == 0)); then
+		# No NUMA support? Fallback to common interface
+		check_hugepages_alloc /proc/sys/vm/nr_hugepages
+		return 0
+	fi
+
 	IFS="," read -ra nodes_to_use <<< "$HUGENODE"
 	if ((${#nodes_to_use[@]} == 0)); then
 		nodes_to_use[0]=0