linux-kernel - Re: [RFCv2][PATCH] flexible array implementation

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Message-Id: <1248299464.24021.334.camel@nimitz>
Date:	Wed, 22 Jul 2009 14:51:04 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Benjamin Blum <bblum@...gle.com>
Cc:	akpm@...ux-foundation.org, containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, menage@...gle.com,
	vda.linux@...glemail.com, mikew@...gle.com
Subject: Re: [RFCv2][PATCH] flexible array implementation

On Wed, 2009-07-22 at 13:57 -0700, Benjamin Blum wrote:
> Does the array automatically grow if you give it more elements than
> you tell it it can have?

The only limits it has or enforces are the structural and architectural
ones dictated by the layout.  

> How about a resize() function that can be
> used to either grow or shrink the array?

I think growing is out of the question.  It has a fixed maximum size
already.  As for shrinking, there's probably a use case for when
something is large, then shrinks back down.  But, I think I'd want to
see a user for it, otherwise I'm just guessing at it too much.

-- Dave

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