linux-kernel - Re: [Cbe-oss-dev] [RFC, PATCH 4/4] Add support to OProfile for profiling Cell BE SPUs -- update

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Message-ID: <20070130104120.GB14571@lst.de>
Date:	Tue, 30 Jan 2007 11:41:20 +0100
From:	Christoph Hellwig <hch@....de>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Arnd Bergmann <arnd@...db.de>, linuxppc-dev@...abs.org,
	cbe-oss-dev@...abs.org, oprofile-list@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [Cbe-oss-dev] [RFC, PATCH 4/4] Add support to OProfile for	profiling Cell BE SPUs -- update

On Tue, Jan 30, 2007 at 06:53:50PM +1100, Benjamin Herrenschmidt wrote:
> 
> > > +/* Defines used for sync_start */
> > > +#define SKIP_GENERIC_SYNC 0
> > > +#define SYNC_START_ERROR -1
> > > +#define DO_GENERIC_SYNC 1
> > > +
> > > +typedef struct vma_map
> > > +{
> > > +       struct vma_map *next;
> > > +       unsigned int vma;
> > > +       unsigned int size;
> > > +       unsigned int offset;
> > > +       unsigned int guard_ptr;
> > > +       unsigned int guard_val;
> > > +} vma_map_t;
> 
> I haven't had time to look in details yet but in that context, what does
> "vma" stands for ? There's already an important vm data structure in
> linux routinely called "vma" and thus I suspect this is a poor naming
> choice as it will cause confusion.

It looks like it actually is dealing with vma to me.  But then again:

 - please don't use typedefs for structures
 - there might be a more descriptive name for this than just vma_map
-
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