On 14 Feb 2022, at 2:26, Christoph Hellwig wrote:

>> +int
>> +isolate_single_pageblock(unsigned long boundary_pfn, gfp_t gfp_flags, int isolate_before_boundary);
>
> Please avoid the completely unreadably long line. i.e.
>
> int isolate_single_pageblock(unsigned long boundary_pfn, gfp_t gfp_flags,
> 		int isolate_before_boundary);
>
> Same in various other spots.

OK. Thanks for pointing it out. checkpatch.pl did not report any
warning about this. It seems that the column limit has been relaxed
to 100. Anyway, I will make it shorter.

--
Best Regards,
Yan, Zi