linux-kernel - [PATCH] lib: dynamic_queue_limits: use memset and offsetof init

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Date:   Fri, 15 Jan 2021 09:50:53 +0800
From:   Yejune Deng <yejune.deng@...il.com>
To:     rdunlap@...radead.org, yejune.deng@...il.com,
        akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] lib: dynamic_queue_limits: use memset and offsetof init

In dql_reset(), use memset and offsetof instead of '= 0'.

Signed-off-by: Yejune Deng <yejune.deng@...il.com>
---
 lib/dynamic_queue_limits.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/lib/dynamic_queue_limits.c b/lib/dynamic_queue_limits.c
index fde0aa2..21f0745 100644
--- a/lib/dynamic_queue_limits.c
+++ b/lib/dynamic_queue_limits.c
@@ -116,13 +116,7 @@ void dql_completed(struct dql *dql, unsigned int count)
 void dql_reset(struct dql *dql)
 {
 	/* Reset all dynamic values */
-	dql->limit = 0;
-	dql->num_queued = 0;
-	dql->num_completed = 0;
-	dql->last_obj_cnt = 0;
-	dql->prev_num_queued = 0;
-	dql->prev_last_obj_cnt = 0;
-	dql->prev_ovlimit = 0;
+	memset(dql, 0, offsetof(struct dql, lowest_slack));
 	dql->lowest_slack = UINT_MAX;
 	dql->slack_start_time = jiffies;
 }
-- 
1.9.1