Re: [Patch 04/18] include/linux/logfs.h

[David Woodhouse]

On Tue, 2007-06-05 at 17:49 +0200, Segher Boessenkool wrote:
> > It would be better if GCC had a 'nopadding' attribute which gave us 
> > what we need without the _extra_ implications about alignment.
> 
> That's impossible; removing the padding from a struct
> _will_ make accesses to its members unaligned (think
> about arrays of that struct).

It _might_ make accesses to _some_ of its members unaligned.

That's why I said 'without the __EXTRA__ implications about alignment'. 

Obviously the lack of padding has its own implications, but we don't
necessarily need to assume that the struct may be at arbitrary
locations.

-- 
dwmw2

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