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Subject[PATCH 02/12] selftests/mm: fix unused variable warning in hugetlb-madvise.c
Date
The dummy variable is required in order to make this work, so declare it
as volatile in order to avoid the clang compiler warning.

Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
tools/testing/selftests/mm/hugetlb-madvise.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/mm/hugetlb-madvise.c b/tools/testing/selftests/mm/hugetlb-madvise.c
index 28426e30d9bc..3296ccaf7525 100644
--- a/tools/testing/selftests/mm/hugetlb-madvise.c
+++ b/tools/testing/selftests/mm/hugetlb-madvise.c
@@ -65,7 +65,7 @@ void write_fault_pages(void *addr, unsigned long nr_pages)

void read_fault_pages(void *addr, unsigned long nr_pages)
{
- unsigned long dummy = 0;
+ volatile unsigned long dummy = 0;
unsigned long i;

for (i = 0; i < nr_pages; i++)
--
2.40.1
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