Subject: Re: how to allocate 9MB of memory in kernel ?

From: Misbah khan <[email-masked]>
Date: Thu, 17 Jul 2008 01:19:13 -0700 (PDT)

vmalloc can only allocate 128k i guess where in i need 9MB allocated when
driver is inserted and would be released only when its removed. mapping to
user space is not a concern 

--- Misbah <><

Arnd Bergmann wrote:
> 
> 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 <><
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