Re: [patch 4/4 -mm] flex_array: add flex_array_shrink function

[Andrew Morton]

On Fri, 21 Aug 2009 16:21:49 -0700 (PDT)
David Rientjes <rientjes@xxxxxxxxxx> wrote:

> +/**
> + * flex_array_shrink - free unused second-level pages
> + *
> + * Frees all second-level pages that consist solely of unused
> + * elements.  Returns the number of pages freed.
> + *
> + * Locking must be provided by the caller.
> + */
> +int flex_array_shrink(struct flex_array *fa)

It's logical but afaik unconventional that none of the flex_array
kerneldoc actually documents the `struct flex_array *fa' argument.


We're all waiting with bated breath to see who will be the first to use
flex_array in live code.

Sometime we'll need to move flex_array.o from lib-y to obj-y and fill
it up with EXPORT_SYMBOL()s.  2.6.32 I expect.

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