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

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Message-Id: <1248197130.13249.5520.camel@nimitz>
Date:	Tue, 21 Jul 2009 10:25:30 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Denys Vlasenko <vda.linux@...glemail.com>
Cc:	akpm@...ux-foundation.org, containers@...ts.linux-foundation.org,
	bblum@...gle.com, linux-kernel@...r.kernel.org, menage@...gle.com
Subject: Re: [RFC][PATCH] flexible array implementation

On Tue, 2009-07-21 at 18:57 +0200, Denys Vlasenko wrote:
> On Tue, Jul 21, 2009 at 6:03 PM, Dave Hansen<dave@...ux.vnet.ibm.com> wrote:
> > +static inline struct flex_array_part *
> > +__fa_get_part(struct flex_array *fa, int part_nr, gfp_t flags)
> > +{
> > +       struct flex_array_part *part = NULL;
> > +       if (part_nr > __nr_part_ptrs())
> > +               return NULL;
> > +       part = fa->parts[part_nr];
> > +       if (!part) {
> > +               part = kmalloc(FLEX_ARRAY_PART_SIZE, flags);
> > +               if (!part)
> > +                       return NULL;
> > +               fa->parts[part_nr] = part;
> > +       }
> > +       return part;
> > +}
> 
> This is far too big to be an inline.

Yeah, I guess I should just leave it to the compiler to inline it since
it's only used in one place.

-- Dave

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