[PATCH] mm/hmm.c : Remove additional check for lockdep_assert_held()

From: Souptick Joarder
Date: Thu Mar 12 2020 - 22:03:42 EST


walk_page_range() already has a check for lockdep_assert_held().
So additional check for lockdep_assert_held() can be removed from
hmm_range_fault().

Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>
---
mm/hmm.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/mm/hmm.c b/mm/hmm.c
index 72e5a6d..b201e1e 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -681,7 +681,6 @@ long hmm_range_fault(struct hmm_range *range, unsigned int flags)
struct mm_struct *mm = range->notifier->mm;
int ret;

- lockdep_assert_held(&mm->mmap_sem);

do {
/* If range is no longer valid force retry. */
--
1.9.1