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Message-ID: <20220625092816.4856-7-linmiaohe@huawei.com>
Date: Sat, 25 Jun 2022 17:28:15 +0800
From: Miaohe Lin <linmiaohe@...wei.com>
To: <akpm@...ux-foundation.org>
CC: <shy828301@...il.com>, <zokeefe@...gle.com>, <aarcange@...hat.com>,
<willy@...radead.org>, <vbabka@...e.cz>, <dhowells@...hat.com>,
<neilb@...e.de>, <apopple@...dia.com>, <david@...hat.com>,
<surenb@...gle.com>, <peterx@...hat.com>, <linux-mm@...ck.org>,
<linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH v2 6/7] mm/khugepaged: remove unneeded return value of khugepaged_add_pte_mapped_thp()
The return value of khugepaged_add_pte_mapped_thp() is always 0 and also
ignored. Remove it to clean up the code.
Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
Reviewed-by: Zach O'Keefe <zokeefe@...gle.com>
Reviewed-by: Yang Shi <shy828301@...il.com>
---
mm/khugepaged.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index aecd33ab2bbe..6cb82a299eb2 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1339,8 +1339,8 @@ static void collect_mm_slot(struct mm_slot *mm_slot)
* Notify khugepaged that given addr of the mm is pte-mapped THP. Then
* khugepaged should try to collapse the page table.
*/
-static int khugepaged_add_pte_mapped_thp(struct mm_struct *mm,
- unsigned long addr)
+static void khugepaged_add_pte_mapped_thp(struct mm_struct *mm,
+ unsigned long addr)
{
struct mm_slot *mm_slot;
@@ -1351,7 +1351,6 @@ static int khugepaged_add_pte_mapped_thp(struct mm_struct *mm,
if (likely(mm_slot && mm_slot->nr_pte_mapped_thp < MAX_PTE_MAPPED_THP))
mm_slot->pte_mapped_thp[mm_slot->nr_pte_mapped_thp++] = addr;
spin_unlock(&khugepaged_mm_lock);
- return 0;
}
static void collapse_and_free_pmd(struct mm_struct *mm, struct vm_area_struct *vma,
--
2.23.0
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