fix too large file size

wfg ~% truncate -s $((1<<43)) /tmp/x # succeed
wfg ~% truncate -s $((1<<44)) /tmp/x
truncate: failed to truncate ‘/tmp/x’ at 17592186044416 bytes: File too large

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

1 files changed, 1 insertions, 1 deletions

diff --git a/hw_vars b/hw_vars
index 4b90122..41b8534 100755
--- a/hw_vars
+++ b/hw_vars
@@ -79,7 +79,7 @@ hugepagesize=$((Hugepagesize << 10))
 if [[ $ROTATE_BYTES ]]; then
 	:
 elif [[ $runtime ]]; then
-	ROTATE_BYTES=$((1<<48))
+	ROTATE_BYTES=$((1<<43))
 else
 	ROTATE_BYTES=$mem
 fi