linux-kernel - [PATCHv2 5/7] tools/gup_benchmark: Add parameter for hugetlb

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 20 Sep 2018 14:03:56 -0600
From:   Keith Busch <keith.busch@...el.com>
To:     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: [PATCHv2 5/7] 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