From: <leonid.moiseichuk@nokia.com>
To: rientjes@google.com
Cc: gregkh@suse.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org,
cesarb@cesarb.net, kamezawa.hiroyu@jp.fujitsu.com,
emunson@mgebm.net, penberg@kernel.org, aarcange@redhat.com,
riel@redhat.com, mel@csn.ul.ie, dima@android.com,
rebecca@android.com, san@google.com, akpm@linux-foundation.org,
vesa.jaaskelainen@nokia.com
Subject: RE: [PATCH 3.2.0-rc1 3/3] Used Memory Meter pseudo-device module
Date: Mon, 9 Jan 2012 10:19:30 +0000 [thread overview]
Message-ID: <84FF21A720B0874AA94B46D76DB9826904554B81@008-AM1MPN1-003.mgdnok.nokia.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1201090203470.8480@chino.kir.corp.google.com>
> -----Original Message-----
> From: ext David Rientjes [mailto:rientjes@google.com]
> Sent: 09 January, 2012 12:09
...
>
> I'm not sure why you need to detect low memory thresholds if you're not
> interested in using the memory controller, why not just use the oom killer
> delay that I suggested earlier and allow userspace to respond to conditions
> when you are known to failed reclaim and require that something be killed?
As I understand that is required to turn on memcg and memcg is a thing I try to avoid.
> > 1.7. David Rientjes
> > > This is just a side-note but as this information is meant to be
> > > consumed by userspace you have the option of hooking into the
> > > mm_page_alloc tracepoint. You get the same information about how
> > > many pages are allocated or freed. I accept that it will probably be a bit
> slower but on the plus side it'll be backwards compatible and you don't need
> a kernel patch for it.
> >
>
> I didn't write that.
Sorry, it was Mel Gorman. Copy-paste problem.
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next prev parent reply other threads:[~2012-01-09 10:20 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-04 17:21 [PATCH 3.2.0-rc1 0/3] Used Memory Meter pseudo-device and related changes in MM Leonid Moiseichuk
2012-01-04 17:21 ` [PATCH 3.2.0-rc1 1/3] Making si_swapinfo exportable Leonid Moiseichuk
2012-01-04 17:21 ` [PATCH 3.2.0-rc1 2/3] MM hook for page allocation and release Leonid Moiseichuk
2012-01-04 20:40 ` Pekka Enberg
2012-01-05 6:59 ` KAMEZAWA Hiroyuki
2012-01-05 11:26 ` leonid.moiseichuk
2012-01-05 12:49 ` Pekka Enberg
2012-01-05 15:05 ` Rik van Riel
2012-01-05 15:17 ` leonid.moiseichuk
2012-01-05 15:22 ` Mel Gorman
2012-01-04 17:21 ` [PATCH 3.2.0-rc1 3/3] Used Memory Meter pseudo-device module Leonid Moiseichuk
2012-01-04 19:55 ` Greg KH
2012-01-09 9:58 ` leonid.moiseichuk
2012-01-09 10:09 ` David Rientjes
2012-01-09 10:19 ` leonid.moiseichuk [this message]
2012-01-09 20:55 ` David Rientjes
2012-01-11 12:46 ` leonid.moiseichuk
2012-01-11 21:44 ` David Rientjes
2012-01-12 8:32 ` leonid.moiseichuk
2012-01-12 20:54 ` David Rientjes
2012-01-13 9:34 ` leonid.moiseichuk
2012-01-13 11:06 ` David Rientjes
2012-01-13 11:51 ` leonid.moiseichuk
2012-01-13 21:35 ` David Rientjes
2012-01-04 19:56 ` [PATCH 3.2.0-rc1 0/3] Used Memory Meter pseudo-device and related changes in MM Greg KH
2012-01-04 20:17 ` Rik van Riel
2012-01-04 20:42 ` Pekka Enberg
2012-01-05 23:01 ` David Rientjes
2012-01-05 12:22 ` leonid.moiseichuk
2012-01-05 11:47 ` leonid.moiseichuk
2012-01-05 12:40 ` Pekka Enberg
2012-01-05 13:02 ` leonid.moiseichuk
2012-01-05 14:57 ` Greg KH
2012-01-05 16:13 ` leonid.moiseichuk
2012-01-05 23:10 ` David Rientjes
2012-01-09 8:27 ` leonid.moiseichuk
2012-01-06 0:26 ` KOSAKI Motohiro
2012-01-09 8:49 ` leonid.moiseichuk
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