Re: [PATCH] mm: readahead: get back a sensible upper limit

[Linus Torvalds]

On Tue, Feb 24, 2015 at 4:58 AM, Rafael Aquini <aquini@xxxxxxxxxx> wrote:
>
> This patch brings back the old behavior of max_sane_readahead()

Yeah no.

There was a reason that code was killed. No way in hell are we
bringing back the insanities with node memory etc.

Also, we have never actually heard of anything sane that actualyl
depended on this. Last time this came up it was a made-up benchmark,
not an actual real load that cared.

Who can possibly care about this in real life?

                          Linus
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