linux-kernel - [PATCH v2 01/10] mm: remove unncessary ret in page

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Date:   Wed, 15 Mar 2017 14:24:44 +0900
From:   Minchan Kim <minchan@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        <kernel-team@....com>, Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...e.com>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Anshuman Khandual <khandual@...ux.vnet.ibm.com>,
        Minchan Kim <minchan@...nel.org>,
        Hillf Danton <hillf.zj@...baba-inc.com>
Subject: [PATCH v2 01/10] mm: remove unncessary ret in page_referenced

Anyone doesn't use ret variable. Remove it.

Acked-by: Hillf Danton <hillf.zj@...baba-inc.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Signed-off-by: Minchan Kim <minchan@...nel.org>
---
 mm/rmap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index 7d24bb9..9dbfa6f 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -807,7 +807,6 @@ int page_referenced(struct page *page,
 		    struct mem_cgroup *memcg,
 		    unsigned long *vm_flags)
 {
-	int ret;
 	int we_locked = 0;
 	struct page_referenced_arg pra = {
 		.mapcount = total_mapcount(page),
@@ -841,7 +840,7 @@ int page_referenced(struct page *page,
 		rwc.invalid_vma = invalid_page_referenced_vma;
 	}
 
-	ret = rmap_walk(page, &rwc);
+	rmap_walk(page, &rwc);
 	*vm_flags = pra.vm_flags;
 
 	if (we_locked)
-- 
2.7.4