Re: [Xen-devel] [PATCH] xen/arm: skip first page when RAM starts at 0x0

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 26.04.19 at 23:31, <julien.grall@xxxxxxx> wrote:
> On 4/26/19 4:48 PM, Jan Beulich wrote:
>>>>> On 26.04.19 at 17:38, <julien.grall@xxxxxxx> wrote:
>>> May I ask why it is currently not be an issue on x86? Do you always pass a 
>>> power
>>> of 2 to init_xenheap_pages?
>> 
>> No, it's because CONFIG_SEPARATE_XENHEAP is undefined on
>> (64-bit) x86, i.e. there simply is no boundary between both heaps.
> 
> Oh, somehow I thought it was separated. Ok, so I would keep the code as 
> is in init_xenheap_pages then.
> 
> But it occured to me that we may want to put the check in 
> init_heap_pages() rather than init_xenheap_pages() as we also want to 
> cover domheap.

Indeed.

Jan



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