[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20071022195238.GH16425@kernel.dk>
Date: Mon, 22 Oct 2007 21:52:39 +0200
From: Jens Axboe <jens.axboe@...cle.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>,
Linux Kernel Development <linux-kernel@...r.kernel.org>,
mingo@...e.hu, Linux/m68k <linux-m68k@...r.kernel.org>
Subject: Re: [PATCH 09/10] Change table chaining layout
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@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists