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From: Minchan Kim <minchan@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kernel-team@lge.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@suse.com>, Minchan Kim <minchan@kernel.org>
Subject: [RFC 02/11] mm: remove unncessary ret in page_referenced
Date: Thu,  2 Mar 2017 15:39:16 +0900	[thread overview]
Message-ID: <1488436765-32350-3-git-send-email-minchan@kernel.org> (raw)
In-Reply-To: <1488436765-32350-1-git-send-email-minchan@kernel.org>

Anyone doesn't use ret variable. Remove it.

Signed-off-by: Minchan Kim <minchan@kernel.org>
---
 mm/rmap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index bb45712..8076347 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -805,7 +805,6 @@ 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),
@@ -839,7 +838,7 @@ 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

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WARNING: multiple messages have this Message-ID (diff)
From: Minchan Kim <minchan@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kernel-team@lge.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@suse.com>, Minchan Kim <minchan@kernel.org>
Subject: [RFC 02/11] mm: remove unncessary ret in page_referenced
Date: Thu,  2 Mar 2017 15:39:16 +0900	[thread overview]
Message-ID: <1488436765-32350-3-git-send-email-minchan@kernel.org> (raw)
In-Reply-To: <1488436765-32350-1-git-send-email-minchan@kernel.org>

Anyone doesn't use ret variable. Remove it.

Signed-off-by: Minchan Kim <minchan@kernel.org>
---
 mm/rmap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/rmap.c b/mm/rmap.c
index bb45712..8076347 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -805,7 +805,6 @@ 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),
@@ -839,7 +838,7 @@ 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

  parent reply	other threads:[~2017-03-02  6:39 UTC|newest]

Thread overview: 98+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-02  6:39 [RFC 00/11] make try_to_unmap simple Minchan Kim
2017-03-02  6:39 ` Minchan Kim
2017-03-02  6:39 ` [RFC 01/11] mm: use SWAP_SUCCESS instead of 0 Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-02 14:27   ` Anshuman Khandual
2017-03-02 14:27     ` Anshuman Khandual
2017-03-03  3:01     ` Minchan Kim
2017-03-03  3:01       ` Minchan Kim
2017-03-06  9:07       ` Anshuman Khandual
2017-03-06  9:07         ` Anshuman Khandual
2017-03-07 14:19   ` Kirill A. Shutemov
2017-03-07 14:19     ` Kirill A. Shutemov
2017-03-08  6:25     ` Minchan Kim
2017-03-08  6:25       ` Minchan Kim
2017-03-02  6:39 ` Minchan Kim [this message]
2017-03-02  6:39   ` [RFC 02/11] mm: remove unncessary ret in page_referenced Minchan Kim
2017-03-02 14:33   ` Anshuman Khandual
2017-03-02 14:33     ` Anshuman Khandual
2017-03-03  3:03     ` Minchan Kim
2017-03-03  3:03       ` Minchan Kim
2017-03-07 14:20   ` Kirill A. Shutemov
2017-03-07 14:20     ` Kirill A. Shutemov
2017-03-02  6:39 ` [RFC 03/11] mm: remove SWAP_DIRTY in ttu Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-02  7:34   ` Hillf Danton
2017-03-02  7:34     ` Hillf Danton
2017-03-03  2:57     ` Minchan Kim
2017-03-03  2:57       ` Minchan Kim
2017-03-02 14:42   ` Anshuman Khandual
2017-03-02 14:42     ` Anshuman Khandual
2017-03-07 14:20   ` Kirill A. Shutemov
2017-03-07 14:20     ` Kirill A. Shutemov
2017-03-02  6:39 ` [RFC 04/11] mm: remove SWAP_MLOCK check for SWAP_SUCCESS " Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-02 14:51   ` Anshuman Khandual
2017-03-02 14:51     ` Anshuman Khandual
2017-03-03  3:04     ` Minchan Kim
2017-03-03  3:04       ` Minchan Kim
2017-03-07 14:26   ` Kirill A. Shutemov
2017-03-07 14:26     ` Kirill A. Shutemov
2017-03-08  6:40     ` Minchan Kim
2017-03-08  6:40       ` Minchan Kim
2017-03-02  6:39 ` [RFC 05/11] mm: make the try_to_munlock void function Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-03 11:43   ` Anshuman Khandual
2017-03-03 11:43     ` Anshuman Khandual
2017-03-06  2:09     ` Minchan Kim
2017-03-06  2:09       ` Minchan Kim
2017-03-06  9:40       ` Anshuman Khandual
2017-03-06  9:40         ` Anshuman Khandual
2017-03-07  6:50         ` Minchan Kim
2017-03-07  6:50           ` Minchan Kim
2017-03-07  8:55           ` Anshuman Khandual
2017-03-07  8:55             ` Anshuman Khandual
2017-03-07 15:17   ` Kirill A. Shutemov
2017-03-07 15:17     ` Kirill A. Shutemov
2017-03-08  6:41     ` Minchan Kim
2017-03-08  6:41       ` Minchan Kim
2017-03-02  6:39 ` [RFC 06/11] mm: remove SWAP_MLOCK in ttu Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-03 12:36   ` Anshuman Khandual
2017-03-03 12:36     ` Anshuman Khandual
2017-03-06  2:15     ` Minchan Kim
2017-03-06  2:15       ` Minchan Kim
2017-03-07 15:24       ` Kirill A. Shutemov
2017-03-07 15:24         ` Kirill A. Shutemov
2017-03-08  6:42         ` Minchan Kim
2017-03-08  6:42           ` Minchan Kim
2017-03-02  6:39 ` [RFC 07/11] mm: remove SWAP_AGAIN " Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-03 12:54   ` Anshuman Khandual
2017-03-03 12:54     ` Anshuman Khandual
2017-03-06  2:16     ` Minchan Kim
2017-03-06  2:16       ` Minchan Kim
2017-03-02  6:39 ` [RFC 08/11] mm: make ttu's return boolean Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-08  7:13   ` John Hubbard
2017-03-08  7:13     ` John Hubbard
2017-03-09  6:37     ` Minchan Kim
2017-03-09  6:37       ` Minchan Kim
2017-03-09  6:46       ` John Hubbard
2017-03-09  6:46         ` John Hubbard
2017-03-02  6:39 ` [RFC 09/11] mm: make rmap_walk void function Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-02  6:39 ` [RFC 10/11] mm: make rmap_one boolean function Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-02  6:39 ` [RFC 11/11] mm: remove SWAP_[SUCCESS|AGAIN|FAIL] Minchan Kim
2017-03-02  6:39   ` Minchan Kim
2017-03-03 13:04   ` Anshuman Khandual
2017-03-03 13:04     ` Anshuman Khandual
2017-03-06  2:18     ` Minchan Kim
2017-03-06  2:18       ` Minchan Kim
2017-03-02 14:22 ` [RFC 00/11] make try_to_unmap simple Anshuman Khandual
2017-03-02 14:22   ` Anshuman Khandual
2017-03-03  2:11   ` Minchan Kim
2017-03-03  2:11     ` Minchan Kim
2017-03-03  5:39     ` Anshuman Khandual
2017-03-03  5:39       ` Anshuman Khandual

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