Re: [PATCH 08/17] mm: page_alloc: Use word-based accesses for get/set pageblock bitmaps

From: Sasha Levin
Date: Fri May 02 2014 - 18:35:14 EST


Hi Mel,

Vlastimil Babka suggested I should try this patch to work around a different
issue I'm seeing, and noticed that it doesn't build because:

On 05/01/2014 04:44 AM, Mel Gorman wrote:
> +void set_pageblock_flags_mask(struct page *page,
> + unsigned long flags,
> + unsigned long end_bitidx,
> + unsigned long nr_flag_bits,
> + unsigned long mask);

set_pageblock_flags_mask() is declared.


> +static inline void set_pageblock_flags_group(struct page *page,
> + unsigned long flags,
> + int start_bitidx, int end_bitidx)
> +{
> + unsigned long nr_flag_bits = end_bitidx - start_bitidx + 1;
> + unsigned long mask = (1 << nr_flag_bits) - 1;
> +
> + set_pageblock_flags_mask(page, flags, end_bitidx, nr_flag_bits, mask);
> +}

And used here, but never actually defined.


Thanks,
Sasha
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