From: Ebru Akagunduz <ebru.akagunduz@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, kirill.shutemov@linux.intel.com,
n-horiguchi@ah.jp.nec.com, aarcange@redhat.com, riel@redhat.com,
iamjoonsoo.kim@lge.com, xiexiuqi@huawei.com, gorcunov@openvz.org,
linux-kernel@vger.kernel.org, mgorman@suse.de,
rientjes@google.com, vbabka@suse.cz,
aneesh.kumar@linux.vnet.ibm.com, hughd@google.com,
hannes@cmpxchg.org, mhocko@suse.cz, boaz@plexistor.com,
raindel@mellanox.com
Subject: Re: [RFC v5 2/3] mm: make optimistic check for swapin readahead
Date: Tue, 15 Sep 2015 23:08:21 +0300 [thread overview]
Message-ID: <20150915200820.GA4188@debian> (raw)
In-Reply-To: <20150914143355.cd75506c0605c5d6c9a4bb03@linux-foundation.org>
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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WARNING: multiple messages have this Message-ID (diff)
From: Ebru Akagunduz <ebru.akagunduz@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, kirill.shutemov@linux.intel.com,
n-horiguchi@ah.jp.nec.com, aarcange@redhat.com, riel@redhat.com,
iamjoonsoo.kim@lge.com, xiexiuqi@huawei.com, gorcunov@openvz.org,
linux-kernel@vger.kernel.org, mgorman@suse.de,
rientjes@google.com, vbabka@suse.cz,
aneesh.kumar@linux.vnet.ibm.com, hughd@google.com,
hannes@cmpxchg.org, mhocko@suse.cz, boaz@plexistor.com,
raindel@mellanox.com
Subject: Re: [RFC v5 2/3] mm: make optimistic check for swapin readahead
Date: Tue, 15 Sep 2015 23:08:21 +0300 [thread overview]
Message-ID: <20150915200820.GA4188@debian> (raw)
In-Reply-To: <20150914143355.cd75506c0605c5d6c9a4bb03@linux-foundation.org>
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
next prev parent reply other threads:[~2015-09-15 20:08 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-14 19:31 [RFC v5 0/3] mm: make swapin readahead to gain more thp performance Ebru Akagunduz
2015-09-14 19:31 ` Ebru Akagunduz
2015-09-14 19:31 ` [RFC v5 1/3] mm: add tracepoint for scanning pages Ebru Akagunduz
2015-09-14 19:31 ` Ebru Akagunduz
2015-09-14 19:31 ` [RFC v5 2/3] mm: make optimistic check for swapin readahead Ebru Akagunduz
2015-09-14 19:31 ` Ebru Akagunduz
2015-09-14 19:47 ` Rik van Riel
2015-09-14 19:47 ` Rik van Riel
2015-09-14 21:33 ` Andrew Morton
2015-09-14 21:33 ` Andrew Morton
2015-09-15 20:08 ` Ebru Akagunduz [this message]
2015-09-15 20:08 ` Ebru Akagunduz
2015-09-14 19:31 ` [RFC v5 3/3] mm: make swapin readahead to improve thp collapse rate Ebru Akagunduz
2015-09-14 19:31 ` Ebru Akagunduz
2015-09-17 13:28 ` Kirill A. Shutemov
2015-09-17 13:28 ` Kirill A. Shutemov
2015-09-17 15:13 ` Kirill A. Shutemov
2015-09-17 15:13 ` Kirill A. Shutemov
2015-09-14 21:41 ` [RFC v5 0/3] mm: make swapin readahead to gain more thp performance Andrew Morton
2015-09-14 21:41 ` Andrew Morton
2016-02-25 7:36 ` Hugh Dickins
2016-02-25 7:36 ` Hugh Dickins
2016-02-25 22:35 ` Rik van Riel
2016-02-25 23:30 ` Ebru Akagunduz
2016-02-25 23:30 ` Ebru Akagunduz
2016-02-26 6:17 ` Hugh Dickins
2016-02-26 14:51 ` Rik van Riel
2016-03-03 22:08 ` Ebru Akagunduz
2016-03-03 22:08 ` Ebru Akagunduz
2016-02-25 23:16 ` Ebru Akagunduz
2016-02-25 23:16 ` Ebru Akagunduz
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