tests: adjust memory limits in head-c.sh

* tests/misc/head-c.sh: Further increase the limit to 8MB over
the base test command.  5.1MB was seen as minimum extra needed
on FreeBSD 9.3 x86_64.

diff --git a/tests/misc/head-c.sh b/tests/misc/head-c.sh
index cc544f97896224f99c5a7d97f2eaadbdf3ddcec6..abe9fef84c051436c0b5a8ec8821e4b5bbc41d25 100755 (executable)
--- a/tests/misc/head-c.sh
+++ b/tests/misc/head-c.sh
@@ -42,7 +42,7 @@ esac
 # Only allocate memory as needed.
 # Coreutils <= 8.21 would allocate memory up front
 # based on the value passed to -c
-(ulimit -v $(($vm+4000)) && head --bytes=-$SSIZE_MAX < /dev/null) || fail=1
+(ulimit -v $(($vm+8000)) && head --bytes=-$SSIZE_MAX < /dev/null) || fail=1
 
 # Make sure it works on funny files in /proc and /sys.