From: "Randy.Dunlap" <rddunlap@osdl.org>
To: Tom Dickson <tdickson@inostor.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Why doesn't memchr appear in ksyms?
Date: Thu, 30 Sep 2004 08:58:55 -0700 [thread overview]
Message-ID: <20040930085855.1b79c63a.rddunlap@osdl.org> (raw)
In-Reply-To: <415C2C25.7030807@inostor.com>
On Thu, 30 Sep 2004 08:54:13 -0700 Tom Dickson wrote:
| -----BEGIN PGP SIGNED MESSAGE-----
| Hash: SHA1
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| According to
| http://kernelnewbies.org/documents/kdoc/kernel-api/r1708.html I should
| be able to use memchr in a module, however, when I try to load the
| module insmod complains that memchr is not available; a grep memchr
| /proc/ksyms shows that it doesn't exist.
|
| Is there some special kernel option I have to set to enable it? memcpy
| and other mem* externs are there.
|
| Thank you (for answering a simple question)
|
| Kernel 2.4.26 on a Pentium 3 system
memchr() is compiled/built inline, not as an exported function.
If it's not working for you, maybe you aren't building with "-O2"
(gcc optimization level 2), which is needed for kernel builds.
--
~Randy
MOTD: Always include version info.
(Again. Sometimes I think ln -s /usr/src/linux/.config .signature)
prev parent reply other threads:[~2004-09-30 16:05 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-30 15:54 Tom Dickson
2004-09-30 15:58 ` Randy.Dunlap [this message]
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