From: Peter Zijlstra <peterz@infradead.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Rik van Riel <riel@redhat.com>,
David Rientjes <rientjes@google.com>,
Nick Piggin <nickpiggin@yahoo.com.au>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH][-mm][1/2] core of page reclaim throttle
Date: Sat, 12 Apr 2008 21:30:23 +0200 [thread overview]
Message-ID: <1208028623.6230.67.camel@lappy> (raw)
In-Reply-To: <20080330171224.89D8.KOSAKI.MOTOHIRO@jp.fujitsu.com>
On Sun, 2008-03-30 at 17:15 +0900, KOSAKI Motohiro wrote:
> Index: b/include/linux/mmzone.h
> ===================================================================
> --- a/include/linux/mmzone.h 2008-03-27 13:35:03.000000000 +0900
> +++ b/include/linux/mmzone.h 2008-03-27 15:55:50.000000000 +0900
> @@ -335,6 +335,8 @@ struct zone {
> unsigned long spanned_pages; /* total size, including holes */
> unsigned long present_pages; /* amount of memory (excluding holes) */
>
> + atomic_t nr_reclaimers;
> + wait_queue_head_t reclaim_throttle_waitq;
> /*
> * rarely used fields:
I'm thinking this ought to be a plist based wait_queue to avoid priority
inversions - but I don't think we have such a creature.
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next prev parent reply other threads:[~2008-04-12 19:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-30 8:12 [PATCH][-mm][0/2] page reclaim throttle take4 KOSAKI Motohiro
2008-03-30 8:12 ` Balbir Singh
2008-03-30 8:23 ` KOSAKI Motohiro
2008-03-30 9:32 ` KOSAKI Motohiro
2008-03-31 2:57 ` KOSAKI Motohiro
2008-03-30 8:15 ` [PATCH][-mm][1/2] core of page reclaim throttle KOSAKI Motohiro
2008-03-30 11:00 ` KOSAKI Motohiro
2008-04-12 19:30 ` Peter Zijlstra [this message]
2008-04-14 8:20 ` KOSAKI Motohiro
2008-03-30 8:19 ` [PATCH][-mm][2/2] introduce sysctl i/f of max task of throttle KOSAKI Motohiro
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