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#!/bin/sh
#
# Exercises code in mincore.c mm/
#
. ./hw_vars
#check for max shared memory allowed on system
MAX_SHARE_SEGMENT=$(cat /proc/sys/kernel/shmmax)
#segment size being requested
SHM_SIZE=$((mem / nr_task))
#echo "shared segment size being requested $SHM_SIZE"
#echo "Max shared segment allocatable is set to $MAX_SHARE_SEGMENT"
#check to see if the request can be satisfied else exit with error
if [ $MAX_SHARE_SEGMENT -lt $SHM_SIZE ]
then
echo "Cannot allocate more shared memory segment than $MAX_SHARE_SEGMENT"
echo "exiting now..."
exit 1 #exit on failure
fi
for i in `seq nr_task`
do
create_sparse_file $SPARSE_FILE-$i $SHM_SIZE
$USEMEM -t $nr_task -f $SPARSE_FILE -N --prealloc --readonly --random $SHM_SIZE &
done
wait
rm $SPARSE_FILE-*
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