vpp_config: leave kernel.shmmax alone by default

Linux default settings are enough, and modifying them can break other
applications.

Type: improvement

Change-Id: I773b730802bae78b0f33ca3ff31d9ee2ffa82f89
Signed-off-by: Benoît Ganne <[email protected]>
(cherry picked from commit 5819e2aded521aec1c84a3b7d4c4810beac92903)

diff --git a/src/vpp/conf/80-vpp.conf b/src/vpp/conf/80-vpp.conf
index 8971d9a..3323023 100644 (file)
--- a/src/vpp/conf/80-vpp.conf
+++ b/src/vpp/conf/80-vpp.conf
@@ -17,4 +17,6 @@ vm.hugetlb_shm_group=0
 # If the existing kernel.shmmax setting  (cat /proc/sys/kernel/shmmax)
 # is greater than the calculated TotalHugepageSize then set this parameter
 # to current shmmax value.
-kernel.shmmax=2147483648
+# Linux default is 4278190079, you don't need to change it unless you
+# configure more than 2039 2MB hugepages
+# kernel.shmmax=2147483648