linux-kernel - [PATCH 4/5] mm: migrate: Change to use bool type for 'page_was

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Message-Id: <11d1f8fc954a83945930a5b11f47e00c063bdc1b.1628174413.git.baolin.wang@linux.alibaba.com>
Date:   Thu,  5 Aug 2021 23:05:59 +0800
From:   Baolin Wang <baolin.wang@...ux.alibaba.com>
To:     akpm@...ux-foundation.org
Cc:     baolin.wang@...ux.alibaba.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] mm: migrate: Change to use bool type for 'page_was_mapped'

Change to use bool type for 'page_was_mapped' variable making it
more readable.

Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
---
 mm/migrate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index 6f048a8..0ab364f 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -957,7 +957,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage,
 				int force, enum migrate_mode mode)
 {
 	int rc = -EAGAIN;
-	int page_was_mapped = 0;
+	bool page_was_mapped = false;
 	struct anon_vma *anon_vma = NULL;
 	bool is_lru = !__PageMovable(page);
 
@@ -1060,7 +1060,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage,
 		VM_BUG_ON_PAGE(PageAnon(page) && !PageKsm(page) && !anon_vma,
 				page);
 		try_to_migrate(page, 0);
-		page_was_mapped = 1;
+		page_was_mapped = true;
 	}
 
 	if (!page_mapped(page))
-- 
1.8.3.1