Re: [PATCH 01/14] x86, ACPI, mm: Kill max_low_pfn_mapped

[Tejun Heo]

On Thu, Mar 7, 2013 at 9:22 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> On Thu, Mar 7, 2013 at 9:10 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
>> On Thu, Mar 07, 2013 at 08:58:27PM -0800, Yinghai Lu wrote:
>>> diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
>>> index 69d97cb..7f9380b 100644
>>> --- a/drivers/gpu/drm/i915/i915_gem_stolen.c
>>> +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
>>> @@ -81,7 +81,7 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
>>>               base -= dev_priv->mm.gtt->stolen_size;
>>>       } else {
>>>               /* Stolen is immediately above Top of Memory */
>>> -             base = max_low_pfn_mapped << PAGE_SHIFT;
>>> +             base = __REMOVED_CRAZY__ << PAGE_SHIFT;
>>
>> Huh?
>
> Whole function:

Yeah, but can't we still just do 1LLU << 32 like other places? Or at
least explain what was there before? It's gonna confuse the hell out
of future readers of the code.

-- 
tejun
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