From: Andi Kleen <ak@suse.de>
To: Nigel Cunningham <ncunningham@cyclades.com>
Cc: "linux-mm" <linux-mm@kvack.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Dynamically allocated pageflags
Date: Thu, 2 Feb 2006 14:31:29 +0100 [thread overview]
Message-ID: <200602021431.30194.ak@suse.de> (raw)
In-Reply-To: <200602022111.32930.ncunningham@cyclades.com>
On Thursday 02 February 2006 12:11, Nigel Cunningham wrote:
> Hi everyone.
>
> This is my latest revision of the dynamically allocated pageflags patch.
>
> The patch is useful for kernel space applications that sometimes need to flag
> pages for some purpose, but don't otherwise need the retain the state. A prime
> example is suspend-to-disk, which needs to flag pages as unsaveable, allocated
> by suspend-to-disk and the like while it is working, but doesn't need to
> retain any of this state between cycles.
It looks like total overkill for a simple problem to me. And is there really
any other user of this other than swsusp?
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <ak@suse.de>
To: Nigel Cunningham <ncunningham@cyclades.com>
Cc: linux-mm <linux-mm@kvack.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Dynamically allocated pageflags
Date: Thu, 2 Feb 2006 14:31:29 +0100 [thread overview]
Message-ID: <200602021431.30194.ak@suse.de> (raw)
In-Reply-To: <200602022111.32930.ncunningham@cyclades.com>
On Thursday 02 February 2006 12:11, Nigel Cunningham wrote:
> Hi everyone.
>
> This is my latest revision of the dynamically allocated pageflags patch.
>
> The patch is useful for kernel space applications that sometimes need to flag
> pages for some purpose, but don't otherwise need the retain the state. A prime
> example is suspend-to-disk, which needs to flag pages as unsaveable, allocated
> by suspend-to-disk and the like while it is working, but doesn't need to
> retain any of this state between cycles.
It looks like total overkill for a simple problem to me. And is there really
any other user of this other than swsusp?
-Andi
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next prev parent reply other threads:[~2006-02-02 13:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-02 11:11 [PATCH] Dynamically allocated pageflags Nigel Cunningham
2006-02-02 13:31 ` Andi Kleen [this message]
2006-02-02 13:31 ` Andi Kleen
2006-02-02 16:47 ` Dave Hansen
2006-02-02 16:47 ` Dave Hansen
2006-02-08 23:43 ` Nigel Cunningham
2006-02-09 7:00 ` Magnus Damm
2006-02-09 7:00 ` Magnus Damm
2006-02-09 7:08 ` Nigel Cunningham
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