linux: placate drop_caches and pass it a '\n'

Apparently it doesn't have much effect without the newline.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/intel_os.c b/lib/intel_os.c
index 0d4f43da..4194744a 100644
--- a/lib/intel_os.c
+++ b/lib/intel_os.c
@@ -102,7 +102,7 @@ intel_get_avail_ram_mb(void)
 
 	fd = open("/proc/sys/vm/drop_caches", O_RDWR);
 	if (fd != -1) {
-		ret = write(fd, "3", 2);
+		ret = write(fd, "3\n", 2);
 		close(fd);
 		(void)ret;
 	}