linux-kernel - Re: [PATCH 1/3] Adds a read-only "procs" file similar to "tasks" that shows only unique tgids

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Message-ID: <2f86c2480907141555o761992bal8f48b2861a515b69@mail.gmail.com>
Date:	Tue, 14 Jul 2009 15:55:16 -0700
From:	Benjamin Blum <bblum@...gle.com>
To:	Dave Hansen <dave@...ux.vnet.ibm.com>
Cc:	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, menage@...gle.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 1/3] Adds a read-only "procs" file similar to "tasks" that 
	shows only unique tgids

On Tue, Jul 14, 2009 at 2:49 PM, Dave Hansen<dave@...ux.vnet.ibm.com> wrote:
> On Tue, 2009-07-14 at 14:26 -0700, Benjamin Blum wrote:
>> This method looks to be a compromise between Andrew's proposed
>> generalized solution ( http://lkml.org/lkml/2009/7/2/518 ) and the
>> current quick-fix. The problem with it is that it'll require a layer
>> between whoever's using the array and managing the list structs (for
>> the case where we need to chain multiple blocks together), and if
>> we're going to put forth enough effort for that, we may as well go
>> ahead and write up a generalized kernel-wide library to fix this size
>> problem globally.
>
> This "Andrew" guy seems to know what he's talking about. :)

Imagine that.

> We've also got a set of pgarrs (struct page arrays) in the
> checkpoint/restart code that would make use of something generic like
> this.

Indeed. Once we get a generic dynamic array library, this and wherever
else in the kernel can be rearranged to use it.
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