linux-kernel - Re: [PATCH -mm 10/21] mm, THP, swap: Support to count THP swapin and its fallback

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <87po2xz6to.fsf@yhuang-dev.intel.com>
Date:   Wed, 18 Apr 2018 08:39:15 +0800
From:   "Huang\, Ying" <ying.huang@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Tim Chen <tim.c.chen@...el.com>,
        Andi Kleen <ak@...ux.intel.com>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Michal Hocko <mhocko@...e.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Shaohua Li <shli@...nel.org>, Hugh Dickins <hughd@...gle.com>,
        Minchan Kim <minchan@...nel.org>,
        Rik van Riel <riel@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
        Zi Yan <zi.yan@...rutgers.edu>
Subject: Re: [PATCH -mm 10/21] mm, THP, swap: Support to count THP swapin and its fallback

Randy Dunlap <rdunlap@...radead.org> writes:

> On 04/16/18 19:02, Huang, Ying wrote:
>> From: Huang Ying <ying.huang@...el.com>
>> 
>> 2 new /proc/vmstat fields are added, "thp_swapin" and
>> "thp_swapin_fallback" to count swapin a THP from swap device as a
>> whole and fallback to normal page swapin.
>> 
>> Signed-off-by: "Huang, Ying" <ying.huang@...el.com>
>> Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
>> Cc: Andrea Arcangeli <aarcange@...hat.com>
>> Cc: Michal Hocko <mhocko@...e.com>
>> Cc: Johannes Weiner <hannes@...xchg.org>
>> Cc: Shaohua Li <shli@...nel.org>
>> Cc: Hugh Dickins <hughd@...gle.com>
>> Cc: Minchan Kim <minchan@...nel.org>
>> Cc: Rik van Riel <riel@...hat.com>
>> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
>> Cc: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
>> Cc: Zi Yan <zi.yan@...rutgers.edu>
>> ---
>>  include/linux/vm_event_item.h |  2 ++
>>  mm/huge_memory.c              |  4 +++-
>>  mm/page_io.c                  | 15 ++++++++++++---
>>  mm/vmstat.c                   |  2 ++
>>  4 files changed, 19 insertions(+), 4 deletions(-)
>> 
>
> Hi,
> Please also update Documentation/vm/transhuge.rst.

Thanks for reminding!  Will do that.

Best Regards,
Huang, Ying