From: Marek Lindner <lindner_marek@yahoo.de>
To: The list for a Better Approach To Mobile Ad-hoc Networking
<b.a.t.m.a.n@open-mesh.net>
Subject: Re: [B.A.T.M.A.N.] [PATCH] [batman] Add padding around allocation debugger structures
Date: Fri, 29 May 2009 15:02:42 +0800 [thread overview]
Message-ID: <200905291502.43117.lindner_marek@yahoo.de> (raw)
In-Reply-To: <1243507208-8999-1-git-send-email-sven.eckelmann@gmx.de>
On Thursday 28 May 2009 18:40:08 Sven Eckelmann wrote:
> Architectures with a special alignment for load and store operations on
> datatypes bigger than bytes will return a prealigned memory region when
> calling malloc. When we add our data structure before and after this
> region we destroy this alignment.
> To fix this problem we add special regions with "magic" padding data.
> To be sure that it is big enough for every load/store operation we use
> the alignment for uintmax_t or a pointer even when the architecture only
> supports smaller load/store operations.
>
> Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
@Nathan: Could you let me know if these patches work for you ? If so I'll
commit them.
Regards,
Marek
next prev parent reply other threads:[~2009-05-29 7:02 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-19 14:27 [B.A.T.M.A.N.] Kernel crashes with batgat installed Nathan Wharton
2009-05-19 19:21 ` Sven Eckelmann
2009-05-19 20:38 ` Nathan Wharton
2009-05-20 1:30 ` Marek Lindner
2009-05-20 14:34 ` Nathan Wharton
2009-05-20 16:10 ` Marek Lindner
2009-05-20 17:01 ` Nathan Wharton
2009-05-20 19:02 ` Marek Lindner
2009-05-20 19:39 ` Nathan Wharton
2009-05-28 10:40 ` [B.A.T.M.A.N.] [PATCH] [batman] Add padding around allocation debugger structures Sven Eckelmann
2009-05-29 7:02 ` Marek Lindner [this message]
2009-05-29 14:00 ` Nathan Wharton
2009-06-01 16:44 ` Sven Eckelmann
2009-06-01 18:03 ` Nathan Wharton
2009-06-01 19:35 ` Sven Eckelmann
2009-06-01 21:50 ` Nathan Wharton
2009-06-02 4:36 ` Marek Lindner
2009-06-02 17:50 ` [B.A.T.M.A.N.] " Sven Eckelmann
2009-06-02 17:56 ` [B.A.T.M.A.N.] [PATCH] [batman] Align pointers in hna list elements Sven Eckelmann
2009-06-02 18:56 ` Nathan Wharton
2009-06-03 10:39 ` [B.A.T.M.A.N.] [PATCHv2] " Sven Eckelmann
2009-06-03 11:16 ` Marek Lindner
2009-05-28 11:36 ` [B.A.T.M.A.N.] [PATCH 2/3] [batman] Make TYPE_OF_WORD the largest integral type Sven Eckelmann
2009-05-28 11:36 ` [B.A.T.M.A.N.] [PATCH 3/3] [batman] Word-Align char buffer which are later casted to larger data types Sven Eckelmann
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