diff --git a/files/build_templates/docker_image_ctl.j2 b/files/build_templates/docker_image_ctl.j2
index b139eb570b3..6d5024b716e 100644
--- a/files/build_templates/docker_image_ctl.j2
+++ b/files/build_templates/docker_image_ctl.j2
@@ -233,6 +233,11 @@ start() {
         source $ASIC_CONF
     fi
 
+    PLATFORM_ENV_CONF=/usr/share/sonic/device/$PLATFORM/platform_env.conf
+    if [ -f "$PLATFORM_ENV_CONF" ]; then
+        source $PLATFORM_ENV_CONF
+    fi
+
     {%- if docker_container_name == "database" %}
     # Don't mount HWSKU in {{docker_container_name}} container.
     HWSKU=""
@@ -421,6 +426,7 @@ start() {
 {%- endif %}
 {%- if sonic_asic_platform == "broadcom" %}
 {%- if docker_container_name == "syncd" %}
+        --shm-size=${SYNCD_SHM_SIZE:-64m} \
         -v /var/run/docker-syncd$DEV:/var/run/sswsyncd \
 {%- endif %}
 {%- endif %}