From: Chris Friesen <cfriesen@nortel.com>
To: cranium2003 <cranium2003@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: kernel memory usage any restrictions?
Date: Fri, 27 May 2005 12:46:40 -0600 [thread overview]
Message-ID: <42976B10.5030101@nortel.com> (raw)
In-Reply-To: <20050527181851.69524.qmail@web33008.mail.mud.yahoo.com>
cranium2003 wrote:
> hello,
> Is there any restricition on using
> kernel's memory? also if i require to use some kernel
> memory say 625kB by allocating that in GFP_ATOMIC mode
Your call will almost certainly fail. I think kmalloc will only give
you up to 128KB, and even that might be tricky to do with GFP_ATOMIC.
For larger chunks of memory, you can use vmalloc() or reserve it
statically at compile time.
Chris
next prev parent reply other threads:[~2005-05-27 18:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-27 18:18 kernel memory usage any restrictions? cranium2003
2005-05-27 18:46 ` Chris Friesen [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-05-28 1:56 cranium2003
2005-05-28 2:16 ` Steven Rostedt
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