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From: Dave Hansen <haveblue@us.ibm.com>
To: Robin Holt <holt@sgi.com>
Cc: Dave McCracken <dmccr@us.ibm.com>,
	Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Linux Memory Management <linux-mm@kvack.org>
Subject: Re: [PATCH/RFC] Shared page tables
Date: Tue, 17 Jan 2006 16:17:30 -0800	[thread overview]
Message-ID: <1137543450.27951.4.camel@localhost.localdomain> (raw)
In-Reply-To: <20060117235302.GA22451@lnx-holt.americas.sgi.com>

On Tue, 2006-01-17 at 17:53 -0600, Robin Holt wrote:
> This appears to work on ia64 with the attached patch.  Could you
> send me any test application you think would be helpful for me
> to verify it is operating correctly?  I could not get the PTSHARE_PUD
> to compile.  I put _NO_ effort into it.  I found the following line
> was invalid and quit trying.
...
> +config PTSHARE
> +	bool "Share page tables"
> +	default y
> +	help
> +	  Turn on sharing of page tables between processes for large shared
> +	  memory regions.
...

These are probably best put in mm/Kconfig, especially if you're going to
have verbatim copies in each architecture.

-- Dave


WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <haveblue@us.ibm.com>
To: Robin Holt <holt@sgi.com>
Cc: Dave McCracken <dmccr@us.ibm.com>,
	Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Linux Memory Management <linux-mm@kvack.org>
Subject: Re: [PATCH/RFC] Shared page tables
Date: Tue, 17 Jan 2006 16:17:30 -0800	[thread overview]
Message-ID: <1137543450.27951.4.camel@localhost.localdomain> (raw)
In-Reply-To: <20060117235302.GA22451@lnx-holt.americas.sgi.com>

On Tue, 2006-01-17 at 17:53 -0600, Robin Holt wrote:
> This appears to work on ia64 with the attached patch.  Could you
> send me any test application you think would be helpful for me
> to verify it is operating correctly?  I could not get the PTSHARE_PUD
> to compile.  I put _NO_ effort into it.  I found the following line
> was invalid and quit trying.
...
> +config PTSHARE
> +	bool "Share page tables"
> +	default y
> +	help
> +	  Turn on sharing of page tables between processes for large shared
> +	  memory regions.
...

These are probably best put in mm/Kconfig, especially if you're going to
have verbatim copies in each architecture.

-- Dave

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  reply	other threads:[~2006-01-18  0:17 UTC|newest]

Thread overview: 109+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-05 16:19 [PATCH/RFC] Shared page tables Dave McCracken
2006-01-07 12:25 ` Heiko Carstens
2006-01-07 12:25   ` Heiko Carstens
2006-01-07 18:09   ` Dave McCracken
2006-01-07 18:09     ` Dave McCracken
2006-01-08 12:09     ` Heiko Carstens
2006-01-08 12:09       ` Heiko Carstens
2006-01-08 14:04       ` Dave McCracken
2006-01-08 14:04         ` Dave McCracken
2006-01-13  5:15 ` Brian Twichell
2006-01-13  5:15   ` Brian Twichell
2006-01-13 22:34   ` Ray Bryant
2006-01-13 22:34     ` Ray Bryant
2006-01-17  4:50     ` Brian Twichell
2006-01-17  4:50       ` Brian Twichell
2006-01-25  4:14   ` Brian Twichell
2006-01-25  4:14     ` Brian Twichell
2006-01-13 15:18 ` Phillip Susi
2006-01-13 15:18   ` Phillip Susi
2006-01-14 20:45   ` Brian Twichell
2006-01-14 20:45     ` Brian Twichell
2006-01-17 23:53 ` Robin Holt
2006-01-17 23:53   ` Robin Holt
2006-01-18  0:17   ` Dave Hansen [this message]
2006-01-18  0:17     ` Dave Hansen
2006-01-18  6:11     ` Dave McCracken
2006-01-18  6:11       ` Dave McCracken
2006-01-18  1:27   ` Chen, Kenneth W
2006-01-18  1:27     ` Chen, Kenneth W
2006-01-18  3:32     ` Robin Holt
2006-01-18  3:32       ` Robin Holt
2006-01-23 23:58   ` Ray Bryant
2006-01-23 23:58     ` Ray Bryant
2006-01-24  0:16     ` Ray Bryant
2006-01-24  0:16       ` Ray Bryant
2006-01-24  0:39       ` Andi Kleen
2006-01-24  0:39         ` Andi Kleen
2006-01-24  0:51         ` Dave McCracken
2006-01-24  0:51           ` Dave McCracken
2006-01-24  1:11           ` Andi Kleen
2006-01-24  1:11             ` Andi Kleen
2006-01-24  1:26             ` Dave McCracken
2006-01-24  1:26               ` Dave McCracken
2006-01-24  0:53         ` Ray Bryant
2006-01-24  0:53           ` Ray Bryant
2006-01-24  1:00           ` Dave McCracken
2006-01-24  1:00             ` Dave McCracken
2006-01-24  1:10           ` Andi Kleen
2006-01-24  1:10             ` Andi Kleen
2006-01-24  1:23             ` Benjamin LaHaise
2006-01-24  1:23               ` Benjamin LaHaise
2006-01-24  1:38               ` Andi Kleen
2006-01-24  1:38                 ` Andi Kleen
2006-01-24  7:08                 ` Arjan van de Ven
2006-01-24  7:08                   ` Arjan van de Ven
2006-01-24  7:06             ` Arjan van de Ven
2006-01-24  7:06               ` Arjan van de Ven
2006-01-24  7:18               ` Andi Kleen
2006-01-24  7:18                 ` Andi Kleen
2006-01-27 18:16                 ` Martin Bligh
2006-01-27 18:16                   ` Martin Bligh
2006-02-01  9:49                 ` Nick Piggin
2006-02-01  9:49                   ` Nick Piggin
2006-01-24 14:48               ` Dave McCracken
2006-01-24 14:48                 ` Dave McCracken
2006-01-24 14:56                 ` Arjan van de Ven
2006-01-24 14:56                   ` Arjan van de Ven
2006-01-24  0:19     ` Dave McCracken
2006-01-24  0:19       ` Dave McCracken
2006-01-24  0:46       ` Ray Bryant
2006-01-24  0:46         ` Ray Bryant
2006-01-24 23:43       ` Ray Bryant
2006-01-24 23:43         ` Ray Bryant
2006-01-24 23:50         ` Dave McCracken
2006-01-24 23:50           ` Dave McCracken
2006-01-25  0:21           ` Ray Bryant
2006-01-25  0:21             ` Ray Bryant
2006-01-25 22:48           ` Ray Bryant
2006-01-25 22:48             ` Ray Bryant
2006-01-25 22:52             ` Dave McCracken
2006-01-25 22:52               ` Dave McCracken
2006-01-26  0:16               ` Ray Bryant
2006-01-26  0:16                 ` Ray Bryant
2006-01-26  0:58               ` Ray Bryant
2006-01-26  0:58                 ` Ray Bryant
2006-01-26  4:06                 ` Robin Holt
2006-01-26  4:06                   ` Robin Holt
2006-01-20 21:24 ` Hugh Dickins
2006-01-20 21:24   ` Hugh Dickins
2006-01-20 21:54   ` Chen, Kenneth W
2006-01-20 21:54     ` Chen, Kenneth W
2006-01-23 17:39   ` Dave McCracken
2006-01-23 17:39     ` Dave McCracken
2006-01-23 20:19     ` Benjamin LaHaise
2006-01-23 20:19       ` Benjamin LaHaise
2006-01-24 17:50     ` Hugh Dickins
2006-01-24 17:50       ` Hugh Dickins
2006-01-24 18:07       ` Dave McCracken
2006-01-24 18:07         ` Dave McCracken
2006-01-24 18:20         ` Hugh Dickins
2006-01-24 18:20           ` Hugh Dickins
2006-01-27 22:50   ` Brian Twichell
2006-01-27 22:50     ` Brian Twichell
2006-01-30 18:46     ` Ray Bryant
2006-01-30 18:46       ` Ray Bryant
2006-01-31 18:47       ` Brian Twichell
2006-01-31 18:47         ` Brian Twichell
2006-01-31 19:18         ` Dave McCracken
2006-01-31 19:18           ` Dave McCracken

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