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-rw-r--r--tools/testing/selftests/vm/ksm_tests.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/vm/ksm_tests.c b/tools/testing/selftests/vm/ksm_tests.c
index 0d85be235..a81165930 100644
--- a/tools/testing/selftests/vm/ksm_tests.c
+++ b/tools/testing/selftests/vm/ksm_tests.c
@@ -470,7 +470,7 @@ static int ksm_merge_hugepages_time(int mapping, int prot, int timeout, size_t m
if (map_ptr_orig == MAP_FAILED)
err(2, "initial mmap");
- if (madvise(map_ptr, len + HPAGE_SIZE, MADV_HUGEPAGE))
+ if (madvise(map_ptr, len, MADV_HUGEPAGE))
err(2, "MADV_HUGEPAGE");
pagemap_fd = open("/proc/self/pagemap", O_RDONLY);