case-ksm-hugepages

#!/bin/sh

. ./hw_vars

# Turn on transparent hugepage support
echo always > /sys/kernel/mm/transparent_hugepage/enabled

# Turn on ksm scanning and set scan parameters
echo 1 > /sys/kernel/mm/ksm/run
echo 1000 > /sys/kernel/mm/ksm/pages_to_scan
echo 20 > /sys/kernel/mm/ksm/sleep_millisecs

#set scan to run continuously for transparent hugepages
echo 0 > /sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs

USEMEM_KSM_HUGEPAGES=./usemem_ksm_hugepages

# run as many instances as there are number of cpus
for i in `seq $nr_task`
do
$USEMEM_KSM_HUGEPAGES $((mem / nr_task / 2)) &
done
wait