From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Stone Wang <pwstone@gmail.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH][8/8] mm: lru interface change
Date: Wed, 22 Mar 2006 11:18:54 +1100 [thread overview]
Message-ID: <442097EE.2000601@yahoo.com.au> (raw)
In-Reply-To: <bc56f2f0603210753k758ebf6dq@mail.gmail.com>
Stone Wang wrote:
>>I may have missed something very trivial, but... why are they on a
>>list at all if they don't get scanned
>
>
> Get the locked pages on a list is necessary for page management,
> scatter the locked pages around isnt a good idea.
>
This doesn't make sense. Whether or not they're on a list does not
change the fact that they may be "scattered".
> Also, we could add some kinds of scan to the locked pages,
> if we find that it's necessary.
>
This is a valid reason. But at present you don't scan them, do you?
So you should add them to a list in patch 9 where you add the
machanism to scan them as well, right?
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
WARNING: multiple messages have this Message-ID (diff)
From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Stone Wang <pwstone@gmail.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH][8/8] mm: lru interface change
Date: Wed, 22 Mar 2006 11:18:54 +1100 [thread overview]
Message-ID: <442097EE.2000601@yahoo.com.au> (raw)
In-Reply-To: <bc56f2f0603210753k758ebf6dq@mail.gmail.com>
Stone Wang wrote:
>>I may have missed something very trivial, but... why are they on a
>>list at all if they don't get scanned
>
>
> Get the locked pages on a list is necessary for page management,
> scatter the locked pages around isnt a good idea.
>
This doesn't make sense. Whether or not they're on a list does not
change the fact that they may be "scattered".
> Also, we could add some kinds of scan to the locked pages,
> if we find that it's necessary.
>
This is a valid reason. But at present you don't scan them, do you?
So you should add them to a list in patch 9 where you add the
machanism to scan them as well, right?
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
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next prev parent reply other threads:[~2006-03-22 0:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-20 13:38 [PATCH][8/8] mm: lru interface change Stone Wang
2006-03-20 13:38 ` Stone Wang
2006-03-21 12:22 ` Nick Piggin
2006-03-21 12:22 ` Nick Piggin
2006-03-21 13:13 ` Arjan van de Ven
2006-03-21 13:13 ` Arjan van de Ven
2006-03-21 15:53 ` Stone Wang
2006-03-21 15:53 ` Stone Wang
2006-03-22 0:18 ` Nick Piggin [this message]
2006-03-22 0:18 ` Nick Piggin
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