Re: [PATCH] mm/readahead.c: fix regression caused by small readahead limit

[Linus Torvalds]

On Thu, Aug 20, 2015 at 9:19 AM, Roman Gushchin <klamm@xxxxxxxxxxxxxx> wrote:
> +       max_sane = max(MAX_READAHEAD,
> +                      (node_page_state(numa_node_id(), NR_INACTIVE_FILE) +
> +                       node_page_state(numa_node_id(), NR_FREE_PAGES)) / 2);

No, we're not re-introducing the idiotic and broken per-node logic.
There was a reason it was killed.

There have been other patches suggested that actually use _valid_
heuristics, this is not one of them.

                  Linus
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