Re: [PATCH 09/10] Change table chaining layout

From: Jens Axboe
Date: Mon Oct 22 2007 - 15:52:53 EST


On Mon, Oct 22 2007, Linus Torvalds wrote:
>
>
> On Mon, 22 Oct 2007, Geert Uytterhoeven wrote:
> >
> > Better safe than sorry...
> >
> > Is it possible that a chain entry pointer has bit 1 set on architectures
> > (e.g. m68k) where the natural alignment of 32-bit quantities is _2_ bytes,
> > not 4?
>
> Better make sure that such alignment never happens... But no, I don't
> think it will, since these things would generally always have to be
> allocated with an allocator, and the *allocator* won't return 2-byte
> aligned data structures.

How about stack allocations?

--
Jens Axboe

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/