Why not kmalloc() ??

[Dan Malek]

On Jul 16, 2004, at 5:25 AM, Rupesh S wrote:

> 1) Can somebody throw some light on what exactly is the difference
> between m8xx_cpm_hostalloc() and kmalloc().

1) Cache coherency, and 2) need to allocate memory to CPM before the
kernel memory allocator has been initialized.

> 2) Why is the difference important in ppc linux ?

It's unique to the 8xx/82xx/85xx CPM peripherals that are used early
in the kernel start up process, not to the PowerPC Linux in general.

	-- Dan


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