Hello,
On Wed, Jul 22, 2015 at 08:03:57AM +0800, Baoquan He wrote:
> Yes, dyn_size can't be zero. But in pcpu_setup_first_chunk(), the local
> variable dyn_size could be zero caused by below code:
>
> if (ai->reserved_size) {
> schunk->free_size = ai->reserved_size;
> pcpu_reserved_chunk = schunk;
> pcpu_reserved_chunk_limit = ai->static_size +
> ai->reserved_size;
> } else {
> schunk->free_size = dyn_size;
> dyn_size = 0; /* dynamic area covered
> */
> }
>
> So if no reserved_size dyn_size is assigned to zero, and is checked to
> see if dchunk need be created in below code:
Hmmm... but then pcpu_reserved_chunk is NULL so there still is no
duplicate on the list, no?
Thanks.
--
tejun
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