linux-kernel - [PATCH] sched: Remove unused last_load_update

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 20 Mar 2020 13:21:35 +0000
From:   vincent.donnefort@....com
To:     mingo@...hat.com, peterz@...radead.org
Cc:     linux-kernel@...r.kernel.org, dietmar.eggemann@....com,
        valentin.schneider@....com,
        Vincent Donnefort <vincent.donnefort@....com>
Subject: [PATCH] sched: Remove unused last_load_update_tick rq member

From: Vincent Donnefort <vincent.donnefort@....com>

The commit 5e83eafbfd3b ("sched/fair: Remove the rq->cpu_load[] update
code") eliminated the use case for rq->last_load_update_tick. Removing
it.

Signed-off-by: Vincent Donnefort <vincent.donnefort@....com>

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1a9983d..c41ee26 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6685,7 +6685,6 @@ void __init sched_init(void)
 
 		rq_attach_root(rq, &def_root_domain);
 #ifdef CONFIG_NO_HZ_COMMON
-		rq->last_load_update_tick = jiffies;
 		rq->last_blocked_load_update_tick = jiffies;
 		atomic_set(&rq->nohz_flags, 0);
 #endif
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 9ea6478..6e14fad 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -860,7 +860,6 @@ struct rq {
 #endif
 #ifdef CONFIG_NO_HZ_COMMON
 #ifdef CONFIG_SMP
-	unsigned long		last_load_update_tick;
 	unsigned long		last_blocked_load_update_tick;
 	unsigned int		has_blocked_load;
 #endif /* CONFIG_SMP */
-- 
2.7.4