Re: [RFC v5 2/3] mm: make optimistic check for swapin readahead

[Andrew Morton]

On Mon, 14 Sep 2015 22:31:44 +0300 Ebru Akagunduz <ebru.akagunduz@xxxxxxxxx> wrote:

> This patch introduces new sysfs integer knob
> /sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_swap
> which makes optimistic check for swapin readahead to
> increase thp collapse rate. Before getting swapped
> out pages to memory, checks them and allows up to a
> certain number. It also prints out using tracepoints
> amount of unmapped ptes.

We we please get this control documented? 
Documentation/vm/transhuge.txt appears to be the place for it.

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