Re: [PATCH] mm/hugetl.c: keep the page mapping info when free_huge_page() hit the VM_BUG_ON_PAGE

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Yongkai Wu <nic.wuyk@xxxxxxxxx>
Subject: Re: [PATCH] mm/hugetl.c: keep the page mapping info when free_huge_page() hit the VM_BUG_ON_PAGE
From: Michal Hocko <mhocko@xxxxxxxxxx>
Date: Thu, 15 Nov 2018 09:52:27 +0100
Cc: mike.kravetz@xxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <CAJtqMcYzA6c1pTrWPcPETsJchOjpJS8iXVhDAJyWuVGCA4gKuA@mail.gmail.com>
References: <CAJtqMcZp5AVva2yOM4gJET8Gd_j_BGJDLTkcqRdJynVCiRRFxQ@mail.gmail.com> <20181113130433.GB16182@dhcp22.suse.cz> <CAJtqMcY98hARD-_FmGYt875Tr6qmMP+42O7OWXNny6rD8ag91A@mail.gmail.com> <dc39308b-1b9e-0cce-471c-64f94f631f97@oracle.com> <CAJtqMcYzA6c1pTrWPcPETsJchOjpJS8iXVhDAJyWuVGCA4gKuA@mail.gmail.com>
User-agent: Mutt/1.10.1 (2018-07-13)

On Thu 15-11-18 16:30:32, Yongkai Wu wrote:
[...]

Thanks for the clarification. It can be helpful for somebody trying to
debug a similar issue in the future.

> But i can not find a similar bug fix report or commit log.

What about 6bc9b56433b7 ("mm: fix race on soft-offlining free huge pages") ?

-- 
Michal Hocko
SUSE Labs

References:
- [PATCH] mm/hugetl.c: keep the page mapping info when free_huge_page() hit the VM_BUG_ON_PAGE
  - From: Yongkai Wu
- Re: [PATCH] mm/hugetl.c: keep the page mapping info when free_huge_page() hit the VM_BUG_ON_PAGE
  - From: Michal Hocko
- Re: [PATCH] mm/hugetl.c: keep the page mapping info when free_huge_page() hit the VM_BUG_ON_PAGE
  - From: Yongkai Wu
- Re: [PATCH] mm/hugetl.c: keep the page mapping info when free_huge_page() hit the VM_BUG_ON_PAGE
  - From: Mike Kravetz
- Re: [PATCH] mm/hugetl.c: keep the page mapping info when free_huge_page() hit the VM_BUG_ON_PAGE
  - From: Yongkai Wu

Prev by Date: Re: [PATCH] Fix do_move_pages_to_node() error handling
Next by Date: [PATCH V10 00/19] block: support multi-page bvec
Previous by thread: Re: [PATCH] mm/hugetl.c: keep the page mapping info when free_huge_page() hit the VM_BUG_ON_PAGE
Next by thread: [RFC PATCH 0/1] test driver to analyse vmalloc allocator
Index(es):
- Date
- Thread

[Index of Archives] [Linux ARM Kernel] [Linux ARM] [Linux Omap] [Fedora ARM] [IETF Annouce] [Bugtraq] [Linux OMAP] [Linux MIPS] [eCos] [Asterisk Internet PBX] [Linux API]