On Tue, 2012-07-03 at 11:29 +0800, Jiang Liu wrote:
> OK, waiting response from PPC. If we could find some ways to set
> HPAGE_SIZE
> early on PPC too, we can setup pageblock_order in arch instead of
> page_alloc.c
> as early as possible.
We could split our hugetlbpage_init() into two, with the b
On Mon, 2012-07-02 at 20:25 -0700, Yinghai Lu wrote:
> > That means pageblock_order is always set to "MAX_ORDER - 1", not sure
> > whether this is intended. And it has the same issue as IA64 of wasting
> > memory if CONFIG_SPARSE is enabled.
>
> adding BenH, need to know if it is powerpc intended.
>> Hi Yinghai,
>>
>> I'm afraid the v2 will break powerpc. Currently only IA64 and PowerPC
>> supports variable hugetlb size.
>>
>> HPAGE_SHIFT is a variable default to 0 on powerpc. But seems PowerPC
>> is doing something wrong here, according to it's mm initialization
>> sequence as below:
>> sta
On 2012-7-3 4:43, Yinghai Lu wrote:
> On Sun, Jul 1, 2012 at 7:01 PM, Jiang Liu wrote:
>> Hi Yinghai,
>> The patch fails compilation as below:
>> mm/page_alloc.c:151: error: initializer element is not constant
>> mm/page_alloc.c:151: error: expected ‘,’ or ‘;’ before ‘__attribute__’
>>
>>
On Mon, Jul 2, 2012 at 7:54 PM, Jiang Liu wrote:
> On 2012-7-3 4:43, Yinghai Lu wrote:
>> On Sun, Jul 1, 2012 at 7:01 PM, Jiang Liu wrote:
>>> Hi Yinghai,
>>> The patch fails compilation as below:
>>> mm/page_alloc.c:151: error: initializer element is not constant
>>> mm/page_alloc.c:151:
