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From: Mike Kravetz <mike.kravetz@oracle.com>
To: Mina Almasry <almasrymina@google.com>,
	Andrew Morton <akpm@linux-foundation.org>
Cc: Axel Rasmussen <axelrasmussen@google.com>,
	Peter Xu <peterx@redhat.com>, Linux-MM <linux-mm@kvack.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4] mm, hugetlb: fix racy resv_huge_pages underflow on UFFDIO_COPY
Date: Tue, 1 Jun 2021 10:09:23 -0700	[thread overview]
Message-ID: <83617ae4-90a1-24d0-a79c-4e259a928e04@oracle.com> (raw)
In-Reply-To: <CAHS8izO_3QivHuGdmY79Jb_-LqOGc5j-_-1C-tf84hXoKdBDTQ@mail.gmail.com>

On 5/31/21 7:48 PM, Mina Almasry wrote:
> On Mon, May 31, 2021 at 5:36 PM Andrew Morton <akpm@linux-foundation.org> wrote:
>> On Mon, 31 May 2021 17:11:52 -0700 Mina Almasry <almasrymina@google.com> wrote:
>>> On Mon, May 31, 2021 at 4:25 PM Andrew Morton <akpm@linux-foundation.org> wrote:
>>>> On Thu, 27 May 2021 17:50:29 -0700 Mina Almasry <almasrymina@google.com> wrote:
>>> I've sent 2 similar patches to the list:
>>>
>>> 1. "[PATCH v4] mm, hugetlb: Fix simple resv_huge_pages underflow on UFFDIO_COPY"
>>>
>>> This one is sent to -stable and linux-mm and is a fairly simple fix.
>>>
>>> 2. "[PATCH v4] mm, hugetlb: fix racy resv_huge_pages underflow on UFFDIO_COPY"
>>
>> Ah, OK, the title of the first patch was changed, which threw me off.
>>
>> I'd skipped "[PATCH v4] mm, hugetlb: Fix simple resv_huge_pages
>> underflow on UFFDIO_COPY" because Mike's comments appeared to require a
>> v5.  I applied it and made Mike's changelog suggestions.  Queued for
>> 5.13 and -stable.
>>
>> And I queued "[PATCH v4] mm, hugetlb: fix racy resv_huge_pages
>> underflow on UFFDIO_COPY" for 5.14.
>>
>>
> 
> Awesome, thanks! And sorry for the confusion!
> 

Mina, does this patch depend on changes to restore_reserve_on_error()?

I am still working on those changes.  It may be a few days before I can
have something finalized.

If this does depend on restore_reserve_on_error as I suspect, perhaps we
should send these together.
-- 
Mike Kravetz


  reply	other threads:[~2021-06-01 17:09 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-28  0:50 [PATCH v4] mm, hugetlb: fix racy resv_huge_pages underflow on UFFDIO_COPY Mina Almasry
2021-05-31 23:25 ` Andrew Morton
2021-06-01  0:11   ` Mina Almasry
2021-06-01  0:36     ` Andrew Morton
2021-06-01  2:48       ` Mina Almasry
2021-06-01 17:09         ` Mike Kravetz [this message]
2021-06-01 18:04           ` Mina Almasry
2021-06-01 18:05             ` Mina Almasry
2021-06-04 21:41 ` Mike Kravetz
2021-06-05  1:06   ` [PATCH] mm, hugetlb: fix allocation error check and copy func name Mina Almasry
2021-06-05 12:49     ` [External] " Muchun Song
2021-06-07 20:32     ` Mike Kravetz

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