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SubjectRe: [PATCH 2/8] Split the free lists into kernel and user parts
On Fri, 8 Sep 2006, Peter Zijlstra wrote:

> Hi Mel,
>
> Looking good, some small nits follow.
>
> On Thu, 2006-09-07 at 20:04 +0100, Mel Gorman wrote:
>
>> +#define for_each_rclmtype_order(type, order) \
>> + for (order = 0; order < MAX_ORDER; order++) \
>> + for (type = 0; type < RCLM_TYPES; type++)
>
> It seems odd to me that you have the for loops in reverse order of the
> arguments.
>

I'll fix that.

>> +static inline int get_pageblock_type(struct page *page)
>> +{
>> + return (PageEasyRclm(page) != 0);
>> +}
>
> I find the naming a little odd, I would have suspected something like:
> get_page_blocktype() or thereabout since you're getting a page
> attribute.
>

This is a throwback from an early version when I used a bitmap that used
one bit per MAX_ORDER_NR_PAGES block of pages. Many pages in a block
shared one bit - hence get_pageblock_type(). The name is now stupid. I'll
fix it.

>> +static inline int gfpflags_to_rclmtype(unsigned long gfp_flags)
>> +{
>> + return ((gfp_flags & __GFP_EASYRCLM) != 0);
>> +}
>
> gfp_t argument?
>

doh, yes, it should be gfp_t

Thanks

--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
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