[RFC][PATCH] flexible array implementation v4

[KAMEZAWA Hiroyuki]

On Fri, 24 Jul 2009 11:02:28 +0800
Li Zefan <lizf at cn.fujitsu.com> wrote:

> Dave Hansen wrote:
> > Remaining issues:
> > - How should we deal with out-of-range indexes, especially
> >   in flex_array_get() which returns void*?  ERR_PTR()?
> >   BUG_ON()?  return NULL (current behavior)?
> > - Should care be taken not to allow a flex_array_get() to
> >   an index where no flex_array_put() was done?
> > - Should we decay further than just packing things into the
> >   'base' page?  Should we actually kmalloc() less than a
> >   page at times when it will fit?
> > 
> 
> I sugguest find some candidate users and see how this flex_array
> fits them.
> 
Hmm, can't we rewrite cgroup->tasks file using this ?
I'll try some if I have time.

-Kame