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Message-ID: <20050528015650.75229.qmail@web33001.mail.mud.yahoo.com>
Date: Fri, 27 May 2005 18:56:50 -0700 (PDT)
From: cranium2003 <cranium2003@yahoo.com>
Subject: Re: kernel memory usage any restrictions?
To: Chris Friesen <cfriesen@nortel.com>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: 6667
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hello,
--- Chris Friesen <cfriesen@nortel.com> wrote:
> 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.
> 
         NO I mean the source code total require 625kB
not i require a single call of kmalloc with GFP_ATOMIC
but many calls whose total sum will be around 625kB.

> For larger chunks of memory, you can use vmalloc()
> or reserve it 
> statically at compile time.
> 
> Chris
> 

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