From: "KOSAKI Motohiro" <kosaki.motohiro@jp.fujitsu.com>
To: Rik van Riel <riel@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
David Rientjes <rientjes@google.com>
Subject: Re: [for -mm][PATCH][1/2] page reclaim throttle take3
Date: Sun, 23 Mar 2008 01:43:26 +0900 [thread overview]
Message-ID: <2f11576a0803220943l7db994ceyec5fc1ed9ae11424@mail.gmail.com> (raw)
In-Reply-To: <20080322121528.4efda324@bree.surriel.com>
> > __alloc_pages_internal (turn on PF_MEMALLOC)
> > +- try_to_free_pages
> > +- (skip)
> > +- pageout
> > +- (skip)
> > +- __alloc_pages_internal
> >
> > in second __alloc_pages_internal, PF_MEMALLOC populated.
> > thus bypassed try_to_free_pages.
> >
> > Am I misunderstanding anything?
>
> Look at free_more_memory() in fs/buffer.c
Oh, I see.
thanks.
I will add the mechanism of avoid recursive throttleing problem.
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prev parent reply other threads:[~2008-03-22 16:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-22 10:45 KOSAKI Motohiro
2008-03-22 10:51 ` [for -mm][PATCH][2/2] " KOSAKI Motohiro
2008-03-22 14:55 ` [for -mm][PATCH][1/2] " Rik van Riel
2008-03-22 16:01 ` KOSAKI Motohiro
2008-03-22 16:15 ` Rik van Riel
2008-03-22 16:43 ` KOSAKI Motohiro [this message]
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