Messages in this thread | | | Subject | Re: [Patch 04/18] include/linux/logfs.h | From | David Woodhouse <> | Date | Tue, 05 Jun 2007 16:53:55 +0100 |
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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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