From: lan mu <mu8lan2003@yahoo.com>
To: linux-kernel@vger.kernel.org
Subject: mmap and multiple memory chucks allocated by kmalloc()
Date: Fri, 26 Nov 2004 16:04:14 -0800 (PST) [thread overview]
Message-ID: <20041127000414.74351.qmail@web50506.mail.yahoo.com> (raw)
In-Reply-To: <4EE0CBA31942E547B99B3D4BFAB348111ED5FF@mail.esn.co.in>
Hi experts,
I have almost 620000 bytes data store in Kernal space
and would like to pass to user space via mmap.
Can I use the kmalloc to allocate 5 memory chucks
(4096*30) and then use remap_page_range() to map those
5 chucks one by one? it not seems to work. Anyone can
tell me if it's feasible? or I have to use vmalloc?
Now I only can mmaped the first chuck buffer and make
it work.
Since I'm not in the user group list, please send
directly email to me.
Thanks your help in advance!
-Lan
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next parent reply other threads:[~2004-11-27 0:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4EE0CBA31942E547B99B3D4BFAB348111ED5FF@mail.esn.co.in>
2004-11-27 0:04 ` lan mu [this message]
2004-11-28 17:25 ` Alan Cox
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