Re: [RFC][PATCH 1/7][memcg] virtually indexed array library.

[Jonathan Corbet]

On Tue, 27 Jul 2010 16:53:03 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:

> This virt-array allocates a virtally contiguous array via get_vm_area()
> and allows object allocation per an element of array.

Quick question: this looks a lot like the "flexible array" mechanism
which went in around a year ago, and which is documented in
Documentation/flexible-arrays.txt.  I'm not sure we need two of
these...  That said, it appears that there are still no users of
flexible arrays.  If your virtually-indexed arrays provide something
that flexible arrays don't, perhaps your implementation should replace
flexible arrays?

Thanks,

jon
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