On 05/10/15 10:35, Bharata B Rao wrote:
> Size hotplug memory region assuming a 256MB max alignment every slot.
> 
> Signed-off-by: Bharata B Rao <bhar...@linux.vnet.ibm.com>
> ---
>  hw/ppc/spapr.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index fc5e7d6..2ec509b 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -1792,6 +1792,9 @@ static void ppc_spapr_init(MachineState *machine)
>  
>          spapr->hotplug_memory.base = ROUND_UP(machine->ram_size,
>                                                SPAPR_HOTPLUG_MEM_ALIGN);
> +
> +        /* size hotplug region assuming 256M max alignment per slot */
> +        hotplug_mem_size += SPAPR_MEMORY_BLOCK_SIZE * machine->ram_slots;

Could you maybe make the comment here a little bit more verbose? Without
reading the cover letter first, I would not understand this piece of
code ... and I'm afraid that when we look at this code in a couple of
years again, we hit the same problem when the comment is that short.

Thanks,
  Thomas


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