On Thu, May 26, 2016 at 03:46:58PM +0530, Chaitra Basappa wrote:
> Johannes,
[...]
>
> If we use GFP_KERNEL flag then it may be possible that ioctl thread may
> hang/wait for long, if it doesn't get required memory from the system.
>
> We may need to test below patch thoroughly , as I don’t see allocation of
> several non-contiguous chunks of memory in below patch...,
The question here is if it would be possible to replace the kmalloc()
call with a vmalloc() (which is non-contiguous) and then pass the allocated
memory to a sg list?
Thanks,
Johannes
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