Andre Noll <maan@xxxxxxxxxxxxxxx> writes:
> On 10:23, H. Peter Anvin wrote:
>
>> We could use vmalloc() and generate the tables at initialization time.
>> However, having a separate module which exports the raid6 declaration
>> and uses the raid5 module as a subroutine library seems easier.
>
> Really? Easier than keeping only two 256-byte arrays for exp() and
> log() and use these at runtime to populate the (dynamically allocated)
> 64K GF multiplication table? That seems to be really simple and would
> still shave off 64K of kernel memory for raid5-only users.
>
> Andre
Oh, you mean when the first raid6 device is started and not when the
module is loaded. That would work.
MfG
Goswin
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