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-rw-r--r--tools/testing/selftests/mm/thuge-gen.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/mm/thuge-gen.c b/tools/testing/selftests/mm/thuge-gen.c
index 16ed4dfa73..622987f12c 100644
--- a/tools/testing/selftests/mm/thuge-gen.c
+++ b/tools/testing/selftests/mm/thuge-gen.c
@@ -3,7 +3,8 @@
Before running this huge pages for each huge page size must have been
reserved.
- For large pages beyond MAX_ORDER (like 1GB on x86) boot options must be used.
+ For large pages beyond MAX_PAGE_ORDER (like 1GB on x86) boot options must
+ be used.
Also shmmax must be increased.
And you need to run as root to work around some weird permissions in shm.
And nothing using huge pages should run in parallel.