From: Arnd Bergmann <arnd@arndb.de>
To: linuxppc-embedded@ozlabs.org
Cc: Misbah khan <misbah_khan@engineer.com>
Subject: Re: how to allocate 9MB of memory in kernel ?
Date: Thu, 17 Jul 2008 09:56:51 +0200 [thread overview]
Message-ID: <200807170956.52101.arnd@arndb.de> (raw)
In-Reply-To: <18503022.post@talk.nabble.com>
On Thursday 17 July 2008, Misbah khan wrote:
> I need to allocate 9 MB of memory in to the kernel space which i need to
> mmap for the application to access.
>
> I need to know what could be the best possible way of doing the same.
>
If you don't need the memory to be physically contiguous, you can use
vmalloc to get the memory, but then you need to use remap_vmalloc_range
for mapping the memory into a user address space.
Arnd <><
next prev parent reply other threads:[~2008-07-17 7:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-17 7:26 how to allocate 9MB of memory in kernel ? Misbah khan
2008-07-17 7:51 ` Marco Stornelli
2008-07-17 8:34 ` Misbah khan
2008-07-17 9:04 ` Marco Stornelli
2008-07-17 7:56 ` Arnd Bergmann [this message]
2008-07-17 8:19 ` Misbah khan
2008-07-17 8:24 ` Arnd Bergmann
2008-07-18 4:44 ` Misbah khan
2008-07-18 6:50 ` Marco Stornelli
2008-07-18 8:48 ` Misbah khan
2008-07-18 14:57 ` Timur Tabi
2008-07-18 15:39 ` Arnd Bergmann
2008-07-22 5:23 ` Misbah khan
2008-07-22 6:43 ` Marco Stornelli
2008-07-22 9:31 ` Arnd Bergmann
2008-07-22 9:47 ` Marco Stornelli
2008-07-22 13:22 ` Misbah khan
2008-07-22 15:12 ` Arnd Bergmann
2008-07-23 7:30 ` Misbah khan
2008-07-23 12:47 ` Alessandro Rubini
2008-07-24 8:33 ` Misbah khan
2008-07-24 9:31 ` Arnd Bergmann
2008-07-25 8:43 ` Misbah khan
2008-07-25 8:50 ` Arnd Bergmann
2008-08-02 19:13 ` harihanv
2008-07-17 8:02 ` Sylvain Joyeau
2008-07-17 8:41 ` Misbah khan
[not found] <mailman.2280.1216290829.2883.linuxppc-embedded@ozlabs.org>
2008-07-17 20:15 ` Siva Prasad
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