Messages in this thread | | | Subject | Re: [PATCH v4] mm, hugetlb: Fix simple resv_huge_pages underflow on UFFDIO_COPY | From | Mike Kravetz <> | Date | Tue, 1 Jun 2021 09:59:01 -0700 |
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On 5/31/21 7:49 PM, Mina Almasry wrote: > On Mon, May 31, 2021 at 5:37 PM Andrew Morton <akpm@linux-foundation.org> wrote: >> On Thu, 27 May 2021 17:46:49 -0700 Mina Almasry <almasrymina@google.com> wrote: >> >> >> Do we have a Fixes: for this, or is it an always-been-there issue? > > This reproduces as far back as 4.15 kernel. Looks like always-been-there issue. >
Specifically,
Fixes: 8fb5debc5fcd ("userfaultfd: hugetlbfs: add hugetlb_mcopy_atomic_pte for userfaultfd support")
-- Mike Kravetz
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