HugePage by default

[Rik van Riel]

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On 07/30/2014 04:06 PM, Xin Tong wrote:
> I see 2 ways to do this.
> 
> 1. allocate 512 4KB contiguous pages everytime a handle_mm_fault is
> called and have the THP kernel thread to coalesce it to a huge 
> page. 2. modify the kernel (maybe extensively) to allocate 2MB
> page by default.
> 
> I like 1. better because it requires less modifications. but it is 
> not as reliable. any suggestions

The kernel already does both of the above when
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y

- -- 
All rights reversed.
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