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

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Message-ID: <20181115085227.GG23831@dhcp22.suse.cz>
Date:   Thu, 15 Nov 2018 09:52:27 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Yongkai Wu <nic.wuyk@...il.com>
Cc:     mike.kravetz@...cle.com, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/hugetl.c: keep the page mapping info when
 free_huge_page() hit the VM_BUG_ON_PAGE

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