Re: [PATCH 2/2] perf/x86/intel/bts: Fix the use of page_private()

[Alexander Shishkin]

Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes:

>>  static size_t buf_size(struct page *page)
>>  {
>> -	return 1 << (PAGE_SHIFT + page_private(page));
>> +	return 1 << (PAGE_SHIFT + buf_nr_pages(page));
>
> Hurmph, shouldn't that be:
>
> 	return buf_nr_pages(page) * PAGE_SIZE;
>
> ?

True, that one's broken.