Re: [RFC PATCH V5] mm readahead: Fix readahead fail for no local memory and limit readahead pages

[Andrew Morton]

On Thu, 13 Feb 2014 16:37:53 -0800 Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

>  unsigned long max_sane_readahead(unsigned long nr)
>  {
>         return min(nr, 128);
>  }

I bet nobody will notice.

It should be 128*4096/PAGE_CACHE_SIZE so that variations in PAGE_SIZE
don't affect readahead behaviour.

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