[PATCH v5 01/13] mm: Fix the return type of __do_page_cache_readahead

[Johannes Thumshirn]

On 11/02/2020 02:05, Matthew Wilcox wrote:
> even though I'm pretty sure we're not going to readahead more than 2^32
> pages ever.

And 640K is more memory than anyone will ever need on a computer *scnr*