how to allocate 9MB of memory in kernel ?
misbah_khan at engineer.com
Thu Jul 17 18:19:13 EST 2008
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 <><
> Linuxppc-embedded mailing list
> Linuxppc-embedded at ozlabs.org
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