From: "Stone Wang" <pwstone@gmail.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH][5/8] proc: export mlocked pages info through "/proc/meminfo: Wired"
Date: Wed, 22 Mar 2006 00:37:54 -0500 [thread overview]
Message-ID: <bc56f2f0603212137s727ff0edu@mail.gmail.com> (raw)
In-Reply-To: <442098B6.5000607@yahoo.com.au>
The name "Wired" could be changed to which one most kids think better
fits the job.
I choosed "Wired" for:
"Locked" will conflict with PG_locked bit of a pags.
"Pinned" indicates a short-term lock,so not fits the job too.
Shaoping Wang
2006/3/21, Nick Piggin <nickpiggin@yahoo.com.au>:
> Stone Wang wrote:
> > The list potentially could have more wider use.
> >
> > For example, kernel-space locked/pinned pages could be placed on the list too
> > (while mlocked pages are locked/pinned by system calls from user-space).
> >
>
> kernel-space pages are always pinned. And no, you can't put them on the list
> because you never know if their ->lru field is going to be used for something
> else.
>
> Why would you want to ever do something like that though? I don't think you
> should use this name "just in case", unless you have some really good
> potential usage in mind.
>
> ---
> 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 5:37 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-20 13:37 Stone Wang
2006-03-21 12:21 ` Nick Piggin
2006-03-21 15:33 ` Stone Wang
2006-03-21 19:43 ` Arjan van de Ven
2006-03-22 0:22 ` Nick Piggin
2006-03-22 5:37 ` Stone Wang [this message]
2006-03-22 7:23 ` Nick Piggin
2006-03-22 9:04 ` Arjan van de Ven
2006-03-24 16:34 ` Rik van Riel
2006-03-24 16:38 ` Nick Piggin
2006-03-24 18:19 ` Rik van Riel
2006-03-24 18:25 ` Nick Piggin
2006-03-21 21:43 ` Dave Hansen
2006-03-22 6:02 ` Stone Wang
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