From: Minchan Kim <minchan@kernel.org>
To: Ming Lei <ming.lei@canonical.com>
Cc: linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-pm@vger.kernel.org,
Alan Stern <stern@rowland.harvard.edu>,
Oliver Neukum <oneukum@suse.de>,
Jiri Kosina <jiri.kosina@suse.com>,
Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mel@csn.ul.ie>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Michal Hocko <mhocko@suse.cz>, Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>, linux-mm <linux-mm@kvack.org>
Subject: Re: [RFC PATCH 1/3] mm: teach mm by current context info to not do I/O during memory allocation
Date: Tue, 16 Oct 2012 22:53:08 +0900 [thread overview]
Message-ID: <20121016135308.GA6958@barrios> (raw)
In-Reply-To: <CACVXFVMr=JMNHFe1GO=di99eB-6-=_pBkP3QH4x_qtKhdRZMFw@mail.gmail.com>
On Tue, Oct 16, 2012 at 09:47:03PM +0800, Ming Lei wrote:
> On Tue, Oct 16, 2012 at 9:09 PM, Minchan Kim <minchan@kernel.org> wrote:
> >
> > Good point. You can check it in __zone_reclaim and change gfp_mask of scan_control
> > because it's never hot path.
> >
> >>
> >> So could you make sure it is safe to move the branch into
> >> __alloc_pages_slowpath()? If so, I will add the check into
> >> gfp_to_alloc_flags().
> >
> > How about this?
>
> It is quite smart change, :-)
>
> Considered that other part(sched.h) of the patch need update, I
> will merge your change into -v1 for further review with your
> Signed-off-by if you have no objection.
No problem. :)
--
Kind Regards,
Minchan Kim
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prev parent reply other threads:[~2012-10-16 13:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1350278059-14904-1-git-send-email-ming.lei@canonical.com>
2012-10-15 5:14 ` [RFC PATCH 1/3] mm: teach mm by current context info to not do I/O during memory allocation Ming Lei
2012-10-15 14:33 ` Alan Stern
2012-10-15 14:41 ` Ming Lei
2012-10-15 15:47 ` Minchan Kim
2012-10-16 1:56 ` Ming Lei
2012-10-16 5:49 ` Minchan Kim
2012-10-16 7:08 ` Ming Lei
2012-10-16 13:09 ` Minchan Kim
2012-10-16 13:47 ` Ming Lei
2012-10-16 13:53 ` Minchan Kim [this message]
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