linux-kernel - [PATCH] mm/vmscan: change return type of is_page_cache

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Message-Id: <1511837307-56494-1-git-send-email-jiang.biao2@zte.com.cn>
Date:   Tue, 28 Nov 2017 10:48:27 +0800
From:   Jiang Biao <jiang.biao2@....com.cn>
To:     akpm@...ux-foundation.org, mhocko@...e.com, hannes@...xchg.org,
        hillf.zj@...baba-inc.com, minchan@...nel.org, ying.huang@...el.com,
        mgorman@...hsingularity.net
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        jiang.biao2@....com.cn, zhong.weidong@....com.cn
Subject: [PATCH] mm/vmscan: change return type of is_page_cache_freeable from int to bool

Using bool for the return type of is_page_cache_freeable() should be
more appropriate.

Signed-off-by: Jiang Biao <jiang.biao2@....com.cn>
---
 mm/vmscan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index eb2f031..5fe63ed 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -530,7 +530,7 @@ void drop_slab(void)
 		drop_slab_node(nid);
 }
 
-static inline int is_page_cache_freeable(struct page *page)
+static inline bool is_page_cache_freeable(struct page *page)
 {
 	/*
 	 * A freeable page cache page is referenced only by the caller
-- 
2.7.4