linux-kernel - [PATCH] mm: add colon to fix kernel-doc markups error for check

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Date:   Tue, 17 Nov 2020 15:12:47 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mm: add colon to fix kernel-doc markups error for check_pte

The function check_pte needs a correct colon for kernel-doc markup,
otherwise, gcc has the following warning for W=1,
mm/page_vma_mapped.c:86: warning: Function parameter or member 'pvmw'
not described in 'check_pte'

Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org
Cc: linux-kernel@...r.kernel.org
---
 mm/page_vma_mapped.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c
index 5e77b269c330..86e3a3688d59 100644
--- a/mm/page_vma_mapped.c
+++ b/mm/page_vma_mapped.c
@@ -66,18 +66,19 @@ static inline bool pfn_is_match(struct page *page, unsigned long pfn)
 
 /**
  * check_pte - check if @pvmw->page is mapped at the @pvmw->pte
+ * @pvmw: page_vma_mapped_walk struct, includes a pair pte and page for checking
  *
  * page_vma_mapped_walk() found a place where @pvmw->page is *potentially*
  * mapped. check_pte() has to validate this.
  *
- * @pvmw->pte may point to empty PTE, swap PTE or PTE pointing to arbitrary
- * page.
+ * pvmw->pte may point to empty PTE, swap PTE or PTE pointing to
+ * arbitrary page.
  *
  * If PVMW_MIGRATION flag is set, returns true if @pvmw->pte contains migration
  * entry that points to @pvmw->page or any subpage in case of THP.
  *
- * If PVMW_MIGRATION flag is not set, returns true if @pvmw->pte points to
- * @pvmw->page or any subpage in case of THP.
+ * If PVMW_MIGRATION flag is not set, returns true if pvmw->pte points to
+ * pvmw->page or any subpage in case of THP.
  *
  * Otherwise, return false.
  *
-- 
2.29.GIT