linux-kernel - [PATCHv3 5/6] tools/gup_benchmark: Add parameter for hugetlb

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Message-Id: <20180921223956.3485-6-keith.busch@intel.com>
Date:   Fri, 21 Sep 2018 16:39:55 -0600
From:   Keith Busch <keith.busch@...el.com>
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Keith Busch <keith.busch@...el.com>
Subject: [PATCHv3 5/6] tools/gup_benchmark: Add parameter for hugetlb

Cc: Kirill Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Dave Hansen <dave.hansen@...el.com>
Cc: Dan Williams <dan.j.williams@...el.com>
Signed-off-by: Keith Busch <keith.busch@...el.com>
---
 tools/testing/selftests/vm/gup_benchmark.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/vm/gup_benchmark.c b/tools/testing/selftests/vm/gup_benchmark.c
index f2c99e2436f8..5d96e2b3d2f1 100644
--- a/tools/testing/selftests/vm/gup_benchmark.c
+++ b/tools/testing/selftests/vm/gup_benchmark.c
@@ -38,7 +38,7 @@ int main(int argc, char **argv)
 	char *file = NULL;
 	char *p;
 
-	while ((opt = getopt(argc, argv, "m:r:n:f:tTLU")) != -1) {
+	while ((opt = getopt(argc, argv, "m:r:n:f:tTLUH")) != -1) {
 		switch (opt) {
 		case 'm':
 			size = atoi(optarg) * MB;
@@ -64,6 +64,9 @@ int main(int argc, char **argv)
 		case 'w':
 			write = 1;
 			break;
+		case 'H':
+			flags |= MAP_HUGETLB;
+			break;
 		case 'f':
 			file = optarg;
 			flags &= ~(MAP_PRIVATE | MAP_ANONYMOUS);
-- 
2.14.4