[LTP] [PATCH 2/2] memcg_lib.sh: Add fallback for RHEL9

[Yang Xu]

The kernel patch has been merged on RHEL9. You can see it
in url[1], to avoid false report, so add a fallback for this.

[1]http://www.rpmfind.net/linux/RPM/centos-stream/9/baseos/x86_64/kernel-5.14.0-205.el9.x86_64.html
Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
---
 testcases/kernel/controllers/memcg/functional/memcg_lib.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/testcases/kernel/controllers/memcg/functional/memcg_lib.sh b/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
index 004946456..dbb61e6b1 100755
--- a/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
+++ b/testcases/kernel/controllers/memcg/functional/memcg_lib.sh
@@ -403,7 +403,9 @@ fi
 
 # Post 4.16 kernel updates stat in batch (> 32 pages) every time
 # Post 6.1 kernel updates stat in batch (> 64 pages) every time
-if tst_kvcmp -lt "6.1"; then
+# 1813e51eece0ad6 ("memcg: increase MEMCG_CHARGE_BATCH to 64")
+# has been merged since 5.14.0-191.el9.
+if tst_kvcmp -lt "6.1 RHEL9:5.14.0-191" ; then
 	PAGESIZES=$(($PAGESIZE * 33))
 else
 	PAGESIZES=$(($PAGESIZE * 65))
-- 
2.31.1