From d965e3907540e829df27a22738536d3b9d989820 Mon Sep 17 00:00:00 2001 From: Miaohe Lin Date: Mon, 4 Jul 2022 21:21:48 +0800 Subject: mm/huge_memory: fix comment of __pud_trans_huge_lock __pud_trans_huge_lock returns page table lock pointer if a given pud maps a thp instead of 'true' since introduced. Fix corresponding comments. Link: https://lkml.kernel.org/r/20220704132201.14611-4-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Acked-by: Muchun Song Cc: Matthew Wilcox Cc: Yang Shi Cc: Zach O'Keefe Signed-off-by: Andrew Morton --- 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 fb0011fe9128..f0adc9db0d60 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1906,10 +1906,10 @@ 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) { -- cgit v1.2.3