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

From Ebru Akagunduz <ebru.akagunduz@gmail.com>
Newsgroups linux.kernel
Subject Re: [RFC v5 2/3] mm: make optimistic check for swapin readahead
Date 2015-09-15 22:10 +0200
Message-ID <q94Ia-7eN-9@gated-at.bofh.it> (permalink)
References <q8HLz-7lZ-7@gated-at.bofh.it> <q8HLz-7lZ-5@gated-at.bofh.it> <q8JDI-1AN-9@gated-at.bofh.it>
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On Mon, Sep 14, 2015 at 02:33:55PM -0700, Andrew Morton wrote:
> On Mon, 14 Sep 2015 22:31:44 +0300 Ebru Akagunduz <ebru.akagunduz@gmail.com> 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.

I will add annotation about max_swap_ptes to doc and send it with new patch.

Kind regards,
Ebru
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Thread

[RFC v5 2/3] mm: make optimistic check for swapin readahead Ebru Akagunduz <ebru.akagunduz@gmail.com> - 2015-09-14 21:40 +0200
  Re: [RFC v5 2/3] mm: make optimistic check for swapin readahead Rik van Riel <riel@redhat.com> - 2015-09-14 21:50 +0200
  Re: [RFC v5 2/3] mm: make optimistic check for swapin readahead Andrew Morton <akpm@linux-foundation.org> - 2015-09-14 23:40 +0200
    Re: [RFC v5 2/3] mm: make optimistic check for swapin readahead Ebru Akagunduz <ebru.akagunduz@gmail.com> - 2015-09-15 22:10 +0200

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