Messages in this thread Patch in this message | | | From | Miaohe Lin <> | Subject | [PATCH v3 03/16] mm/huge_memory: fix comment of __pud_trans_huge_lock | Date | Mon, 4 Jul 2022 21:21:48 +0800 |
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__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> Acked-by: Muchun Song <songmuchun@bytedance.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 a010f9ba15ce..212e092d8ad0 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2007,10 +2007,10 @@ 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 pointer, 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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