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 PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 30 Jan 2014 15:40:13 -0800 From: Zoran Markovic <zoran.markovic@...aro.org> To: linux-kernel@...r.kernel.org Cc: netdev@...r.kernel.org, Shaibal Dutta <shaibal.dutta@...adcom.com>, "David S. Miller" <davem@...emloft.net>, Alexey Kuznetsov <kuznet@....inr.ac.ru>, James Morris <jmorris@...ei.org>, Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>, Patrick McHardy <kaber@...sh.net>, Zoran Markovic <zoran.markovic@...aro.org> Subject: [RFC PATCH] net: ipv4: move inetpeer garbage collector work to power efficient workqueue From: Shaibal Dutta <shaibal.dutta@...adcom.com> Garbage collector work does not have to be bound to the CPU that scheduled it. By moving work to the power-efficient workqueue, the selection of CPU executing the work is left to the scheduler. This extends idle residency times and conserves power. This functionality is enabled when CONFIG_WQ_POWER_EFFICIENT is selected. Cc: "David S. Miller" <davem@...emloft.net> Cc: Alexey Kuznetsov <kuznet@....inr.ac.ru> Cc: James Morris <jmorris@...ei.org> Cc: Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org> Cc: Patrick McHardy <kaber@...sh.net> Signed-off-by: Shaibal Dutta <shaibal.dutta@...adcom.com> [zoran.markovic@...aro.org: Rebased to latest kernel version. Added commit message.] Signed-off-by: Zoran Markovic <zoran.markovic@...aro.org> --- net/ipv4/inetpeer.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index 48f4244..87155aa 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -161,7 +161,8 @@ static void inetpeer_gc_worker(struct work_struct *work) list_splice(&list, &gc_list); spin_unlock_bh(&gc_lock); - schedule_delayed_work(&gc_work, gc_delay); + queue_delayed_work(system_power_efficient_wq, + &gc_work, gc_delay); } /* Called from ip_output.c:ip_init */ @@ -576,7 +577,8 @@ static void inetpeer_inval_rcu(struct rcu_head *head) list_add_tail(&p->gc_list, &gc_list); spin_unlock_bh(&gc_lock); - schedule_delayed_work(&gc_work, gc_delay); + queue_delayed_work(system_power_efficient_wq, + &gc_work, gc_delay); } void inetpeer_invalidate_tree(struct inet_peer_base *base) -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists