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Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
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From: Jeff Moyer
Subject:
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
Date: Tuesday, August 17, 2010 - 6:46 am
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> writes:
quoted text
> BTW, from the discussion with Christoph I noticed my misunderstanding > about the necessity of additional page locking. It would seem that > without page locking there is no danger of racing between direct I/O and > page migration. So I retract this additional locking patch-set.
OK, great! ;-) Cheers, Jeff --
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Messages in current thread:
[PATCH 0/9] Hugepage migration (v2)
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
[PATCH 1/9] HWPOISON, hugetlb: move PG_HWPoison bit check
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
[PATCH 2/9] hugetlb: add allocate function for hugepage mi ...
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
[PATCH 3/9] hugetlb: rename hugepage allocation functions
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
[PATCH 4/9] hugetlb: redefine hugepage copy functions
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
[PATCH 6/9] HWPOISON, hugetlb: soft offlining for hugepage
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
[PATCH 7/9] HWPOISON, hugetlb: fix unpoison for hugepage
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
[PATCH 8/9] page-types.c: fix name of unpoison interface
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
[PATCH 9/9] hugetlb: add corrupted hugepage counter
, Naoya Horiguchi
, (Tue Aug 10, 2:27 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Christoph Lameter
, (Wed Aug 11, 6:09 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Naoya Horiguchi
, (Thu Aug 12, 12:53 am)
[RFC] [PATCH 1/4] hugetlb: prepare exclusion control funct ...
, Naoya Horiguchi
, (Thu Aug 12, 12:57 am)
[RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Naoya Horiguchi
, (Thu Aug 12, 12:59 am)
[PATCH 3/4] HWPOISON: replace locking functions into hugep ...
, Naoya Horiguchi
, (Thu Aug 12, 1:00 am)
[PATCH 4/4] correct locking functions of hugepage migratio ...
, Naoya Horiguchi
, (Thu Aug 12, 1:00 am)
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Jeff Moyer
, (Thu Aug 12, 6:42 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Christoph Lameter
, (Fri Aug 13, 5:47 am)
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Naoya Horiguchi
, (Sun Aug 15, 7:07 pm)
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Andi Kleen
, (Mon Aug 16, 12:21 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Naoya Horiguchi
, (Mon Aug 16, 2:19 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Christoph Lameter
, (Mon Aug 16, 5:19 am)
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Jeff Moyer
, (Mon Aug 16, 6:20 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Naoya Horiguchi
, (Mon Aug 16, 7:37 pm)
Re: [PATCH 2/9] hugetlb: add allocate function for hugepag ...
, David Rientjes
, (Mon Aug 16, 11:51 pm)
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Naoya Horiguchi
, (Tue Aug 17, 1:17 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Naoya Horiguchi
, (Tue Aug 17, 1:18 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Andi Kleen
, (Tue Aug 17, 2:40 am)
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Jeff Moyer
, (Tue Aug 17, 6:46 am)
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Andi Kleen
, (Tue Aug 17, 7:21 am)
Re: [RFC] [PATCH 2/4] dio: add page locking for direct I/O
, Christoph Lameter
, (Tue Aug 17, 9:41 am)
Re: [PATCH 1/9] HWPOISON, hugetlb: move PG_HWPoison bit check
, Wu Fengguang
, (Tue Aug 17, 5:18 pm)
Re: [PATCH 2/9] hugetlb: add allocate function for hugepag ...
, Naoya Horiguchi
, (Tue Aug 17, 8:02 pm)
Re: [PATCH 0/9] Hugepage migration (v2)
, Naoya Horiguchi
, (Wed Aug 18, 12:32 am)
Re: [PATCH 0/9] Hugepage migration (v2)
, Andi Kleen
, (Wed Aug 18, 12:46 am)
Re: [PATCH 8/9] page-types.c: fix name of unpoison interface
, Wu Fengguang
, (Wed Aug 18, 6:24 pm)
Re: [PATCH 9/9] hugetlb: add corrupted hugepage counter
, Wu Fengguang
, (Wed Aug 18, 6:57 pm)
Re: [PATCH 1/9] HWPOISON, hugetlb: move PG_HWPoison bit check
, Naoya Horiguchi
, (Thu Aug 19, 12:55 am)
Re: [PATCH 1/9] HWPOISON, hugetlb: move PG_HWPoison bit check
, Wu Fengguang
, (Thu Aug 19, 2:28 am)
Re: [PATCH 1/9] HWPOISON, hugetlb: move PG_HWPoison bit check
, Naoya Horiguchi
, (Mon Aug 23, 2:24 am)
Re: [PATCH 9/9] hugetlb: add corrupted hugepage counter
, Naoya Horiguchi
, (Mon Aug 23, 8:01 pm)
Re: [PATCH 9/9] hugetlb: add corrupted hugepage counter
, Wu Fengguang
, (Mon Aug 23, 8:08 pm)
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