Re: [PATCH 09/10] Change table chaining layout
From: Linus Torvalds
Date: Mon Oct 22 2007 - 16:45:37 EST
On Mon, 22 Oct 2007, Alan Cox wrote:
>
> Why can't we just make the list one item longer than the entry count and
> stick a NULL on the end of it like normal people ? Then you need one bit
> which ought to be safe for everyone (and if the bit is a macro any CPU
> warped enough to have byte alignment is surely going to have top bits
> spare...)
Well, quite frankly, equally easy is to just add a
__attribute__((aligned(4)))
or whatever the gcc syntax for that is today.. That guarantees that gcc
lays things out properly.
Linus
-
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/