Re: [RFC PATCH 0/5] Support multiple pages allocation

[Zhang Yanfei]

On 07/03/2013 11:28 PM, Michal Hocko wrote:
> On Wed 03-07-13 17:34:15, Joonsoo Kim wrote:
> [...]
>> For one page allocation at once, this patchset makes allocator slower than
>> before (-5%). 
> 
> Slowing down the most used path is a no-go. Where does this slow down
> come from?

I guess, it might be: for one page allocation at once, comparing to the original
code, this patch adds two parameters nr_pages and pages and will do extra checks
for the parameter nr_pages in the allocation path.

> 
> [...]


-- 
Thanks.
Zhang Yanfei
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