From: Rik van Riel <riel@redhat.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@osdl.org>,
Trond Myklebust <trond.myklebust@fys.uio.no>
Subject: Re: [PATCH 6/6] nfs: Enable swap over NFS
Date: Sat, 26 Aug 2006 17:54:26 -0400 [thread overview]
Message-ID: <44F0C312.1050300@redhat.com> (raw)
In-Reply-To: <20060826143622.GA5260@ucw.cz>
Pavel Machek wrote:
> Hi!
>
>> Now that NFS can handle swap cache pages, add a swapfile method to allow
>> swapping over NFS.
>>
>> NOTE: this dummy method is obviously not enough to make it safe.
>> A more complete version of the nfs_swapfile() function will be present
>> in the next VM deadlock avoidance patches.
>>
>> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
>
> We probably do not want to enable functionality before it is safe...
OTOH, if we never enable this, what motivation do we have to
make it safe? :)
Scratching an itch works, so maybe we ought to create an itch?
--
What is important? What you want to be true, or what is true?
WARNING: multiple messages have this Message-ID (diff)
From: Rik van Riel <riel@redhat.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrew Morton <akpm@osdl.org>,
Trond Myklebust <trond.myklebust@fys.uio.no>
Subject: Re: [PATCH 6/6] nfs: Enable swap over NFS
Date: Sat, 26 Aug 2006 17:54:26 -0400 [thread overview]
Message-ID: <44F0C312.1050300@redhat.com> (raw)
In-Reply-To: <20060826143622.GA5260@ucw.cz>
Pavel Machek wrote:
> Hi!
>
>> Now that NFS can handle swap cache pages, add a swapfile method to allow
>> swapping over NFS.
>>
>> NOTE: this dummy method is obviously not enough to make it safe.
>> A more complete version of the nfs_swapfile() function will be present
>> in the next VM deadlock avoidance patches.
>>
>> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
>
> We probably do not want to enable functionality before it is safe...
OTOH, if we never enable this, what motivation do we have to
make it safe? :)
Scratching an itch works, so maybe we ought to create an itch?
--
What is important? What you want to be true, or what is true?
--
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next prev parent reply other threads:[~2006-08-26 21:54 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-25 15:37 [PATCH 0/6] Swap over NFS Peter Zijlstra
2006-08-25 15:37 ` Peter Zijlstra
2006-08-25 15:37 ` [PATCH 1/6] mm: Generic swap file support Peter Zijlstra
2006-08-25 15:37 ` Peter Zijlstra
2006-08-25 15:37 ` [PATCH 2/6] mm: New page_file_* methods Peter Zijlstra
2006-08-25 15:37 ` Peter Zijlstra
2006-08-25 15:37 ` [PATCH 3/6] uml: arch/um remove_mapping() clash Peter Zijlstra
2006-08-25 15:37 ` Peter Zijlstra
2006-08-29 20:20 ` Jeff Dike
2006-08-29 20:20 ` Jeff Dike
2006-08-25 15:37 ` [PATCH 4/6] nfs: Teach NFS about swap cache pages Peter Zijlstra
2006-08-25 15:37 ` Peter Zijlstra
2006-08-25 20:03 ` Trond Myklebust
2006-08-25 20:03 ` Trond Myklebust
2006-08-25 20:20 ` Peter Zijlstra
2006-08-25 20:20 ` Peter Zijlstra
2006-08-25 20:37 ` Trond Myklebust
2006-08-25 20:37 ` Trond Myklebust
2006-08-25 15:38 ` [PATCH 5/6] nfs: Add comment on PG_private use of NFS Peter Zijlstra
2006-08-25 15:38 ` Peter Zijlstra
2006-08-25 15:38 ` [PATCH 6/6] nfs: Enable swap over NFS Peter Zijlstra
2006-08-25 15:38 ` Peter Zijlstra
2006-08-26 14:36 ` Pavel Machek
2006-08-26 14:36 ` Pavel Machek
2006-08-26 17:30 ` Peter Zijlstra
2006-08-26 17:30 ` Peter Zijlstra
2006-08-26 21:54 ` Rik van Riel [this message]
2006-08-26 21:54 ` Rik van Riel
2006-08-25 16:36 ` [PATCH 7/6] Lost bits - fix PG_writeback vs PG_private race in NFS Peter Zijlstra
2006-08-25 16:36 ` Peter Zijlstra
2006-08-25 20:11 ` Trond Myklebust
2006-08-25 20:11 ` Trond Myklebust
2006-08-25 20:44 ` Peter Zijlstra
2006-08-25 20:44 ` Peter Zijlstra
2006-08-25 21:19 ` Trond Myklebust
2006-08-25 21:19 ` Trond Myklebust
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