linux-kernel - [PATCH] hugetlb_cgroup: remove unused variable 'i'

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Date:   Wed, 15 Apr 2020 17:26:16 -0700
From:   Ralph Campbell <rcampbell@...dia.com>
To:     <linux-kselftest@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        Shuah Khan <shuah@...nel.org>,
        Mina Almasry <almasrymina@...gle.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Ralph Campbell <rcampbell@...dia.com>
Subject: [PATCH] hugetlb_cgroup: remove unused variable 'i'

Compiling tests in tools/testing/selftests/vm/ results in a C compiler
warning:

write_to_hugetlbfs.c: In function ‘main’:
write_to_hugetlbfs.c:77:16: warning: unused variable ‘i’
   77 |  unsigned long i;

Delete the unused variable.

Fixes: 29750f71a9b4 ("hugetlb_cgroup: add hugetlb_cgroup reservation tests")
Signed-off-by: Ralph Campbell <rcampbell@...dia.com>
---
 tools/testing/selftests/vm/write_to_hugetlbfs.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/tools/testing/selftests/vm/write_to_hugetlbfs.c b/tools/testing/selftests/vm/write_to_hugetlbfs.c
index 110bc4e4015d..6a2caba19ee1 100644
--- a/tools/testing/selftests/vm/write_to_hugetlbfs.c
+++ b/tools/testing/selftests/vm/write_to_hugetlbfs.c
@@ -74,8 +74,6 @@ int main(int argc, char **argv)
 	int write = 0;
 	int reserve = 1;
 
-	unsigned long i;
-
 	if (signal(SIGINT, sig_handler) == SIG_ERR)
 		err(1, "\ncan't catch SIGINT\n");
 
-- 
2.25.2