From: Anshuman Khandual <khandual@linux.vnet.ibm.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>, linux-mm@kvack.org
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Dave Hansen <dave.hansen@intel.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Mel Gorman <mgorman@techsingularity.net>,
Michal Hocko <mhocko@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
Pavel Emelyanov <xemul@parallels.com>,
Zi Yan <zi.yan@cs.rutgers.edu>,
Balbir Singh <bsingharora@gmail.com>,
linux-kernel@vger.kernel.org,
Naoya Horiguchi <nao.horiguchi@gmail.com>
Subject: Re: [PATCH v2 03/12] mm: thp: introduce separate TTU flag for thp freezing
Date: Thu, 10 Nov 2016 14:01:56 +0530 [thread overview]
Message-ID: <5824307C.7070105@linux.vnet.ibm.com> (raw)
In-Reply-To: <1478561517-4317-4-git-send-email-n-horiguchi@ah.jp.nec.com>
On 11/08/2016 05:01 AM, Naoya Horiguchi wrote:
> TTU_MIGRATION is used to convert pte into migration entry until thp split
> completes. This behavior conflicts with thp migration added later patches,
Hmm, could you please explain why it conflicts with the PMD based
migration without split ? Why TTU_MIGRATION cannot be used to
freeze/hold on the PMD while it's being migrated ?
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WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <khandual@linux.vnet.ibm.com>
To: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>, linux-mm@kvack.org
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Dave Hansen <dave.hansen@intel.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Mel Gorman <mgorman@techsingularity.net>,
Michal Hocko <mhocko@kernel.org>,
Vlastimil Babka <vbabka@suse.cz>,
Pavel Emelyanov <xemul@parallels.com>,
Zi Yan <zi.yan@cs.rutgers.edu>,
Balbir Singh <bsingharora@gmail.com>,
linux-kernel@vger.kernel.org,
Naoya Horiguchi <nao.horiguchi@gmail.com>
Subject: Re: [PATCH v2 03/12] mm: thp: introduce separate TTU flag for thp freezing
Date: Thu, 10 Nov 2016 14:01:56 +0530 [thread overview]
Message-ID: <5824307C.7070105@linux.vnet.ibm.com> (raw)
In-Reply-To: <1478561517-4317-4-git-send-email-n-horiguchi@ah.jp.nec.com>
On 11/08/2016 05:01 AM, Naoya Horiguchi wrote:
> TTU_MIGRATION is used to convert pte into migration entry until thp split
> completes. This behavior conflicts with thp migration added later patches,
Hmm, could you please explain why it conflicts with the PMD based
migration without split ? Why TTU_MIGRATION cannot be used to
freeze/hold on the PMD while it's being migrated ?
next prev parent reply other threads:[~2016-11-10 8:32 UTC|newest]
Thread overview: 141+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-07 23:31 [PATCH v2 00/12] mm: page migration enhancement for thp Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-07 23:31 ` [PATCH v2 01/12] mm: x86: move _PAGE_SWP_SOFT_DIRTY from bit 7 to bit 6 Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-10 23:29 ` Dave Hansen
2016-11-10 23:29 ` Dave Hansen
2016-11-11 1:08 ` Naoya Horiguchi
2016-11-11 1:08 ` Naoya Horiguchi
2016-11-11 11:12 ` Kirill A. Shutemov
2016-11-11 11:12 ` Kirill A. Shutemov
2016-11-07 23:31 ` [PATCH v2 02/12] mm: mempolicy: add queue_pages_node_check() Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-07 23:31 ` [PATCH v2 03/12] mm: thp: introduce separate TTU flag for thp freezing Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-10 8:31 ` Anshuman Khandual [this message]
2016-11-10 8:31 ` Anshuman Khandual
2016-11-10 9:09 ` Naoya Horiguchi
2016-11-10 9:09 ` Naoya Horiguchi
2016-11-11 3:18 ` Anshuman Khandual
2016-11-11 3:18 ` Anshuman Khandual
2016-11-11 11:16 ` Kirill A. Shutemov
2016-11-11 11:16 ` Kirill A. Shutemov
2016-11-07 23:31 ` [PATCH v2 04/12] mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-11 11:18 ` Kirill A. Shutemov
2016-11-11 11:18 ` Kirill A. Shutemov
2016-11-15 2:05 ` Naoya Horiguchi
2016-11-15 2:05 ` Naoya Horiguchi
2016-11-28 14:21 ` Michal Hocko
2016-11-28 14:21 ` Michal Hocko
2016-11-29 7:50 ` Naoya Horiguchi
2016-11-29 7:50 ` Naoya Horiguchi
2016-11-29 8:45 ` Michal Hocko
2016-11-29 8:45 ` Michal Hocko
2016-11-07 23:31 ` [PATCH v2 05/12] mm: thp: add core routines for thp/pmd migration Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-08 3:05 ` kbuild test robot
2016-11-08 3:05 ` kbuild test robot
2016-11-08 6:46 ` Naoya Horiguchi
2016-11-08 6:46 ` Naoya Horiguchi
2016-11-08 8:13 ` Anshuman Khandual
2016-11-08 8:13 ` Anshuman Khandual
2016-11-08 8:16 ` Naoya Horiguchi
2016-11-08 8:16 ` Naoya Horiguchi
2016-11-10 8:29 ` Anshuman Khandual
2016-11-10 8:29 ` Anshuman Khandual
2016-11-10 9:43 ` Naoya Horiguchi
2016-11-10 9:43 ` Naoya Horiguchi
2016-11-14 11:45 ` Kirill A. Shutemov
2016-11-14 11:45 ` Kirill A. Shutemov
2016-11-15 4:57 ` Naoya Horiguchi
2016-11-15 4:57 ` Naoya Horiguchi
2016-11-28 14:31 ` Michal Hocko
2016-11-28 14:31 ` Michal Hocko
2016-11-29 7:57 ` Naoya Horiguchi
2016-11-29 7:57 ` Naoya Horiguchi
2016-11-07 23:31 ` [PATCH v2 06/12] mm: thp: enable thp migration in generic path Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-28 14:33 ` Michal Hocko
2016-11-28 14:33 ` Michal Hocko
2016-11-29 8:16 ` Naoya Horiguchi
2016-11-29 8:16 ` Naoya Horiguchi
2016-11-07 23:31 ` [PATCH v2 07/12] mm: thp: check pmd migration entry in common path Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-08 0:23 ` kbuild test robot
2016-11-08 0:23 ` kbuild test robot
2016-11-08 1:22 ` Naoya Horiguchi
2016-11-08 1:22 ` Naoya Horiguchi
2016-11-10 8:36 ` Anshuman Khandual
2016-11-10 8:36 ` Anshuman Khandual
2016-11-10 9:12 ` Naoya Horiguchi
2016-11-10 9:12 ` Naoya Horiguchi
2016-11-10 9:08 ` Hillf Danton
2016-11-10 9:08 ` Hillf Danton
2016-11-10 9:21 ` Naoya Horiguchi
2016-11-10 9:21 ` Naoya Horiguchi
2016-11-10 9:28 ` Hillf Danton
2016-11-10 9:28 ` Hillf Danton
2016-11-10 9:34 ` Naoya Horiguchi
2016-11-10 9:34 ` Naoya Horiguchi
2016-11-17 23:56 ` Kirill A. Shutemov
2016-11-17 23:56 ` Kirill A. Shutemov
2016-11-29 6:46 ` Naoya Horiguchi
2016-11-29 6:46 ` Naoya Horiguchi
2016-11-28 14:35 ` Michal Hocko
2016-11-28 14:35 ` Michal Hocko
2016-11-07 23:31 ` [PATCH v2 08/12] mm: soft-dirty: keep soft-dirty bits over thp migration Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-10 8:38 ` Anshuman Khandual
2016-11-10 8:38 ` Anshuman Khandual
2016-11-10 9:13 ` Naoya Horiguchi
2016-11-10 9:13 ` Naoya Horiguchi
2016-11-07 23:31 ` [PATCH v2 09/12] mm: hwpoison: soft offline supports " Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-10 10:31 ` Balbir Singh
2016-11-10 10:31 ` Balbir Singh
2016-11-10 23:58 ` Naoya Horiguchi
2016-11-10 23:58 ` Naoya Horiguchi
2016-11-14 23:22 ` Balbir Singh
2016-11-14 23:22 ` Balbir Singh
2016-11-07 23:31 ` [PATCH v2 10/12] mm: mempolicy: mbind and migrate_pages support " Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-25 12:27 ` Anshuman Khandual
2016-11-25 12:27 ` Anshuman Khandual
2016-11-29 7:07 ` Naoya Horiguchi
2016-11-29 7:07 ` Naoya Horiguchi
2016-11-07 23:31 ` [PATCH v2 11/12] mm: migrate: move_pages() supports " Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-18 0:01 ` Kirill A. Shutemov
2016-11-18 0:01 ` Kirill A. Shutemov
2016-11-07 23:31 ` [PATCH v2 12/12] mm: memory_hotplug: memory hotremove " Naoya Horiguchi
2016-11-07 23:31 ` Naoya Horiguchi
2016-11-08 0:29 ` kbuild test robot
2016-11-08 0:29 ` kbuild test robot
2016-11-08 0:30 ` kbuild test robot
2016-11-08 0:30 ` kbuild test robot
2016-11-08 1:36 ` Naoya Horiguchi
2016-11-08 1:36 ` Naoya Horiguchi
2016-11-08 1:41 ` [PATCH] mm: fix unused variable warning Naoya Horiguchi
2016-11-08 1:41 ` Naoya Horiguchi
2016-11-09 2:32 ` [PATCH v2 00/12] mm: page migration enhancement for thp Balbir Singh
2016-11-09 2:32 ` Balbir Singh
2016-11-09 4:59 ` Naoya Horiguchi
2016-11-09 4:59 ` Naoya Horiguchi
2016-11-09 21:28 ` Balbir Singh
2016-11-09 21:28 ` Balbir Singh
2016-11-09 10:33 ` Anshuman Khandual
2016-11-09 10:33 ` Anshuman Khandual
2016-11-09 23:52 ` Naoya Horiguchi
2016-11-09 23:52 ` Naoya Horiguchi
2016-11-10 14:01 ` Zi Yan
2016-11-11 3:48 ` Anshuman Khandual
2016-11-11 3:48 ` Anshuman Khandual
2017-01-30 10:47 ` Anshuman Khandual
2017-01-30 10:47 ` Anshuman Khandual
2017-01-31 19:54 ` Zi Yan
2017-01-31 19:54 ` Zi Yan
2017-02-03 3:12 ` Hillf Danton
2017-02-03 3:12 ` Hillf Danton
2017-02-03 3:24 ` Zi Yan
2017-02-03 3:24 ` Zi Yan
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