fix too large truncate size

truncate: failed to truncate '/tmp/vm-scalability/sparse-mremap-xread-rand-mt-8' at 8796093022208 bytes: File too large

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>

3 files changed, 3 insertions, 3 deletions

diff --git a/case-mmap-pread-rand b/case-mmap-pread-rand
index 0df5757..51c78c1 100755
--- a/case-mmap-pread-rand
+++ b/case-mmap-pread-rand
@@ -2,7 +2,7 @@
 
 source ./hw_vars
 
-create_sparse_file $SPARSE_FILE $((ROTATE_BYTES))
+create_sparse_file $SPARSE_FILE $((ROTATE_BYTES / nr_cpu))
 
 $USEMEM -n $nr_cpu -f $SPARSE_FILE --readonly --random $((ROTATE_BYTES / nr_cpu))
 
diff --git a/case-mremap-xread-rand-mt b/case-mremap-xread-rand-mt
index 4737393..cfb13ea 100755
--- a/case-mremap-xread-rand-mt
+++ b/case-mremap-xread-rand-mt
@@ -12,7 +12,7 @@ source ./hw_vars
 
 for i in `seq $nr_cpu`
 do
-	create_sparse_file $SPARSE_FILE-$i $ROTATE_BYTES
+	create_sparse_file $SPARSE_FILE-$i $((ROTATE_BYTES / nr_cpu))
 	$USEMEM -t $nr_cpu -f $SPARSE_FILE-$i -E --prealloc --readonly --random $((ROTATE_BYTES / nr_cpu)) &
 done
 wait
diff --git a/hw_vars b/hw_vars
index dfd1ca9..173b877 100755
--- a/hw_vars
+++ b/hw_vars
@@ -81,7 +81,7 @@ hugepagesize=$((Hugepagesize << 10))
 if [[ $ROTATE_BYTES ]]; then
 	:
 elif [[ $runtime ]]; then
-	ROTATE_BYTES=$((1<<43))
+	ROTATE_BYTES=$((1<<42))
 else
 	ROTATE_BYTES=$mem
 fi