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Subject[PATCH 03/16] mm/huge_memory: fix comment of __pud_trans_huge_lock
Date
__pud_trans_huge_lock returns page table lock pointer if a given pud maps
a thp instead of 'true' since introduced. Fix corresponding comments.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
mm/huge_memory.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 83fb6c3442ff..a26580da8011 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1903,10 +1903,10 @@ spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma)
}

/*
- * Returns true if a given pud maps a thp, false otherwise.
+ * Returns page table lock pointer if a given pud maps a thp, NULL otherwise.
*
- * Note that if it returns true, this routine returns without unlocking page
- * table lock. So callers must unlock it.
+ * Note that if it returns page table lock pointe, this routine returns without
+ * unlocking page table lock. So callers must unlock it.
*/
spinlock_t *__pud_trans_huge_lock(pud_t *pud, struct vm_area_struct *vma)
{
--
2.23.0
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