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From: Keith Owens <kaos@ocs.com.au>
To: Der Herr Hofrat <der.herr@hofr.at>
Cc: linux-kernel@vger.kernel.org
Subject: Re: sizeof problem in kernel modules
Date: Sun, 24 Jun 2001 01:18:39 +1000	[thread overview]
Message-ID: <16231.993309519@ocs3.ocs-net> (raw)
In-Reply-To: Your message of "Sat, 23 Jun 2001 16:54:20 +0200." <200106231454.f5NEsKu14812@kanga.hofr.at>

On Sat, 23 Jun 2001 16:54:20 +0200 (CEST), 
Der Herr Hofrat <der.herr@hofr.at> wrote:
>struct { short x; long y; short z; }bad_struct;
>struct { long y; short x; short z; }good_struct;
>I would expect both structs to be 8byte in size , or atleast the same size !
>but good_struct turns out to be 8bytes and bad_struct 12 .

Read any C book about field alignment and padding in structures.
Nothing to do with the kernel or modules.


  reply	other threads:[~2001-06-23 15:19 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-06-23 14:54 Der Herr Hofrat
2001-06-23 15:18 ` Keith Owens [this message]
2001-06-23 15:30 ` Russell King
2001-06-24  1:56 ` Richard B. Johnson
2001-06-24  2:12   ` Keith Owens
2001-06-24  2:43     ` Richard B. Johnson
2001-06-24 16:07       ` Lieven Marchand
2001-06-24 16:11       ` frank
2001-06-25  0:26       ` Michael Meissner
2001-06-25 11:32         ` Richard B. Johnson
2001-06-25 13:38           ` Alan Shutko
2001-06-25 14:49             ` Richard B. Johnson
2001-06-25 19:19               ` Alan Shutko
2001-06-25 13:59           ` Alan Shutko
2001-06-25 15:07             ` Andreas Schwab
2001-06-25 21:25             ` Horst von Brand
2001-06-25 20:43           ` Michael Meissner
2001-06-25  4:33 ` Anil Kumar

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