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From: Sasha Levin <sasha.levin@oracle.com>
To: Konstantin Khlebnikov <koct9i@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Konstantin Khlebnikov <k.khlebnikov@samsung.com>,
	Rafael Aquini <aquini@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Andrey Ryabinin <ryabinin.a.a@gmail.com>
Subject: Re: [PATCH v2 4/6] mm: introduce common page state for ballooned memory
Date: Sat, 13 Sep 2014 10:03:24 -0400	[thread overview]
Message-ID: <54144EAC.8030101@oracle.com> (raw)
In-Reply-To: <CALYGNiM0Uh1KG8Z6pFEAn=uxZBRPfHDffXjKkKJoG-K0hCaqaA@mail.gmail.com>

On 09/13/2014 01:26 AM, Konstantin Khlebnikov wrote:
>> Did we really need to put the BalloonPages count into per-zone vmstat,
>> > global vmstat and /proc/meminfo?  Seems a bit overkillish - why so
>> > important?
> Balloon grabs random pages, their distribution among numa nodes might
> be important.
> But I know nobody who uses numa-aware vm together with ballooning.

*cough*. me?

Obviously there's no need to keep that per-zone vmstat just for me, but
right now NUMA on KVM works just fine and does a good job of catching
NUMA issues without having to run on actual metal.


Thanks,
Sasha

WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: Konstantin Khlebnikov <koct9i@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Konstantin Khlebnikov <k.khlebnikov@samsung.com>,
	Rafael Aquini <aquini@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Andrey Ryabinin <ryabinin.a.a@gmail.com>
Subject: Re: [PATCH v2 4/6] mm: introduce common page state for ballooned memory
Date: Sat, 13 Sep 2014 10:03:24 -0400	[thread overview]
Message-ID: <54144EAC.8030101@oracle.com> (raw)
In-Reply-To: <CALYGNiM0Uh1KG8Z6pFEAn=uxZBRPfHDffXjKkKJoG-K0hCaqaA@mail.gmail.com>

On 09/13/2014 01:26 AM, Konstantin Khlebnikov wrote:
>> Did we really need to put the BalloonPages count into per-zone vmstat,
>> > global vmstat and /proc/meminfo?  Seems a bit overkillish - why so
>> > important?
> Balloon grabs random pages, their distribution among numa nodes might
> be important.
> But I know nobody who uses numa-aware vm together with ballooning.

*cough*. me?

Obviously there's no need to keep that per-zone vmstat just for me, but
right now NUMA on KVM works just fine and does a good job of catching
NUMA issues without having to run on actual metal.


Thanks,
Sasha

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  parent reply	other threads:[~2014-09-13 14:03 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-30 16:41 [PATCH v2 0/6] mm/balloon_compaction: fixes and cleanups Konstantin Khlebnikov
2014-08-30 16:41 ` Konstantin Khlebnikov
2014-08-30 16:41 ` [PATCH v2 1/6] mm/balloon_compaction: ignore anonymous pages Konstantin Khlebnikov
2014-08-30 16:41   ` Konstantin Khlebnikov
2014-09-02 12:29   ` Rafael Aquini
2014-09-02 12:29     ` Rafael Aquini
2014-08-30 16:41 ` [PATCH v2 2/6] mm/balloon_compaction: keep ballooned pages away from normal migration path Konstantin Khlebnikov
2014-08-30 16:41   ` Konstantin Khlebnikov
2014-09-02 12:31   ` Rafael Aquini
2014-09-02 12:31     ` Rafael Aquini
2014-08-30 16:41 ` [PATCH v2 3/6] mm/balloon_compaction: isolate balloon pages without lru_lock Konstantin Khlebnikov
2014-08-30 16:41   ` Konstantin Khlebnikov
2014-09-02 12:32   ` Rafael Aquini
2014-09-02 12:32     ` Rafael Aquini
2014-08-30 16:41 ` [PATCH v2 4/6] mm: introduce common page state for ballooned memory Konstantin Khlebnikov
2014-08-30 16:41   ` Konstantin Khlebnikov
2014-09-02 12:53   ` Rafael Aquini
2014-09-02 12:53     ` Rafael Aquini
2014-09-12 23:51   ` Andrew Morton
2014-09-12 23:51     ` Andrew Morton
2014-09-13  5:26     ` Konstantin Khlebnikov
2014-09-13  5:26       ` Konstantin Khlebnikov
2014-09-13  5:42       ` Andrew Morton
2014-09-13  5:42         ` Andrew Morton
2014-09-13  8:22         ` Konstantin Khlebnikov
2014-09-19 21:35           ` Andrew Morton
2014-09-19 21:35             ` Andrew Morton
2014-09-20  5:25             ` Konstantin Khlebnikov
2014-09-20  5:25               ` Konstantin Khlebnikov
2014-09-20  6:23               ` Andrew Morton
2014-09-20  6:23                 ` Andrew Morton
2014-09-22 18:40                 ` Konstantin Khlebnikov
2014-09-22 18:40                   ` Konstantin Khlebnikov
2014-09-22 19:22                   ` Rafael Aquini
2014-09-22 19:22                     ` Rafael Aquini
2014-09-22 20:06                     ` Konstantin Khlebnikov
2014-09-22 20:06                       ` Konstantin Khlebnikov
2014-09-22 20:22                       ` Rafael Aquini
2014-09-22 20:22                         ` Rafael Aquini
2014-09-22 20:46                         ` Konstantin Khlebnikov
2014-09-22 20:46                           ` Konstantin Khlebnikov
2014-09-13 14:03       ` Sasha Levin [this message]
2014-09-13 14:03         ` Sasha Levin
2014-08-30 16:41 ` [PATCH v2 5/6] mm/balloon_compaction: use common page ballooning Konstantin Khlebnikov
2014-08-30 16:41   ` Konstantin Khlebnikov
2014-09-02 12:57   ` Rafael Aquini
2014-09-02 12:57     ` Rafael Aquini
2014-09-12 23:57   ` Andrew Morton
2014-09-12 23:57     ` Andrew Morton
2014-08-30 16:41 ` [PATCH v2 6/6] mm/balloon_compaction: general cleanup Konstantin Khlebnikov
2014-08-30 16:41   ` Konstantin Khlebnikov
2014-09-02 13:09   ` Rafael Aquini
2014-09-02 13:09     ` Rafael Aquini
2014-09-13  0:04   ` Andrew Morton
2014-09-13  0:04     ` Andrew Morton
2014-09-13  0:06     ` Andrew Morton
2014-09-13  0:06       ` Andrew Morton
2014-09-13  5:43       ` Konstantin Khlebnikov
2014-09-13  5:43         ` Konstantin Khlebnikov
2014-09-13  0:09 ` [PATCH v2 0/6] mm/balloon_compaction: fixes and cleanups Andrew Morton
2014-09-13  0:09   ` Andrew Morton
2014-09-13  5:01   ` Konstantin Khlebnikov
2014-09-13  5:01     ` Konstantin Khlebnikov

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