linux-kernel - [PATCH] mm/page_alloc.c: variable type of 'progress' should be 'unsigned long'

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Message-ID: <20200915104620.20582-1-yanfei.xu@windriver.com>
Date:   Tue, 15 Sep 2020 18:46:20 +0800
From:   <yanfei.xu@...driver.com>
To:     <akpm@...ux-foundation.org>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] mm/page_alloc.c: variable type of 'progress' should be 'unsigned long'

From: Yanfei Xu <yanfei.xu@...driver.com>

try_to_free_pages returns the number of pages reclaimed, and the type of
returns is 'unsigned long'. So we should use a matched type for storing
it.

Signed-off-by: Yanfei Xu <yanfei.xu@...driver.com>
---
 mm/page_alloc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index fab5e97dc9ca..5f1016c70b94 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4245,9 +4245,8 @@ static int
 __perform_reclaim(gfp_t gfp_mask, unsigned int order,
 					const struct alloc_context *ac)
 {
-	int progress;
 	unsigned int noreclaim_flag;
-	unsigned long pflags;
+	unsigned long pflags, progress;
 
 	cond_resched();
 
-- 
2.18.2