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From: "Li Xinhai" <lixinhai.lxh@gmail.com>
To: mhocko <mhocko@suse.com>
Cc: "Mike Kravetz" <mike.kravetz@oracle.com>,
	 "linux-mm@kvack.org" <linux-mm@kvack.org>,
	 akpm <akpm@linux-foundation.org>,
	 yang.shi <yang.shi@linux.alibaba.com>,
	 n-horiguchi <n-horiguchi@ah.jp.nec.com>
Subject: Re: [PATCH 2/2] mm/mempolicy: Skip walking HUGETLB vma if MPOL_MF_STRICT is specified alone
Date: Fri, 17 Jan 2020 23:46:03 +0800
Message-ID: <20200117234600029919288@gmail.com> (raw)
In-Reply-To: <20200117152022.GI19428@dhcp22.suse.cz>

On 2020-01-17 at 23:20 Michal Hocko wrote:
>On Fri 17-01-20 20:05:23, Li Xinhai wrote:
>[...]
>> Now, for my case, I am doing workaround
>
>workaround for what?
> 
I mean now call mbind without MOVE* or STRICT, only apply policy,
because my purpose is to take action later on misplaced pages.
If STRICT give correct feedback, I don't need to check numa_maps.
For above description, I don't use MOVE*, as want to take action later.

>> by call mbind then check the
>> numa_maps, instead of just call mbind. So, I'd like option #3 is there. That is
>> a simple change, and I am glad to add this function if no objection.
>
>Any reason you cannot use move_pages syscall? 

I use it, that is the 'take action later' mentioned above, I'd like to
know if there are misplace pages before call it if mbind can help
to give answer.

>--
>Michal Hocko
>SUSE Labs

  reply index

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14  9:16 [PATCH 1/2] mm/mempolicy: Checking hstate for hugetlbfs page in vma_migratable Li Xinhai
2020-01-14  9:16 ` [PATCH 2/2] mm/mempolicy: Skip walking HUGETLB vma if MPOL_MF_STRICT is specified alone Li Xinhai
2020-01-14 14:09   ` Li Xinhai
2020-01-14 18:27     ` Yang Shi
2020-01-15  1:07     ` Mike Kravetz
2020-01-15  1:24       ` Yang Shi
2020-01-15  4:28         ` Mike Kravetz
2020-01-15  5:23           ` Yang Shi
2020-01-15  7:36             ` Li Xinhai
2020-01-15 17:16               ` Yang Shi
2020-01-15 21:07       ` Mike Kravetz
2020-01-15 21:30         ` Yang Shi
2020-01-15 21:45           ` Mike Kravetz
2020-01-15 21:59             ` Yang Shi
2020-01-16  8:07               ` HORIGUCHI NAOYA(堀口 直也)
2020-01-16 15:32                 ` Li Xinhai
2020-01-16  7:59         ` Michal Hocko
2020-01-16 19:22           ` Mike Kravetz
2020-01-17  2:32             ` Yang Shi
2020-01-17  2:38             ` Li Xinhai
2020-01-17  7:57               ` Michal Hocko
2020-01-17 12:05                 ` Li Xinhai
2020-01-17 15:20                   ` Michal Hocko
2020-01-17 15:46                     ` Li Xinhai [this message]
2020-01-20 12:45                       ` Michal Hocko
2020-01-21 14:15                         ` Li Xinhai
2020-01-21 14:53                           ` Michal Hocko
2020-01-22 13:55                             ` Li Xinhai
2020-01-14 19:12 ` [PATCH 1/2] mm/mempolicy: Checking hstate for hugetlbfs page in vma_migratable Mike Kravetz
2020-01-15  1:25 ` Andrew Morton

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