diff mbox series

[6/6] tools/gup_benchmark: Add MAP_HUGETLB option

Message ID 20181010195605.10689-6-keith.busch@intel.com (mailing list archive)
State New, archived
Headers show
Series [1/6] mm/gup_benchmark: Time put_page | expand

Commit Message

Keith Busch Oct. 10, 2018, 7:56 p.m. UTC 
This patch adds a new option, '-H', to the gup benchmark to help compare how
hugetlb mapping pages compare with the default.

Signed-off-by: Keith Busch <keith.busch@intel.com>
---
 tools/testing/selftests/vm/gup_benchmark.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/vm/gup_benchmark.c b/tools/testing/selftests/vm/gup_benchmark.c
index 24528b54549d..c7b5934c6d7f 100644
--- a/tools/testing/selftests/vm/gup_benchmark.c
+++ b/tools/testing/selftests/vm/gup_benchmark.c
@@ -36,7 +36,7 @@  int main(int argc, char **argv)
 	char *file = "/dev/zero";
 	char *p;
 
-	while ((opt = getopt(argc, argv, "m:r:n:f:tTLUS")) != -1) {
+	while ((opt = getopt(argc, argv, "m:r:n:f:tTLUSH")) != -1) {
 		switch (opt) {
 		case 'm':
 			size = atoi(optarg) * MB;
@@ -69,6 +69,9 @@  int main(int argc, char **argv)
 			flags &= ~MAP_PRIVATE;
 			flags |= MAP_SHARED;
 			break;
+		case 'H':
+			flags |= MAP_HUGETLB;
+			break;
 		default:
 			return -1;
 		}