Re: [PATCH v4] hugetlb: simplify hugetlb handling in follow_page_mask
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- To: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
- Subject: Re: [PATCH v4] hugetlb: simplify hugetlb handling in follow_page_mask
- From: Peter Xu <peterx@xxxxxxxxxx>
- Date: Fri, 28 Oct 2022 19:24:18 -0400
- Cc: linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, "Aneesh Kumar K . V" <aneesh.kumar@xxxxxxxxxxxxx>, Naoya Horiguchi <naoya.horiguchi@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Muchun Song <songmuchun@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
- In-reply-to: <20221028181108.119432-1-mike.kravetz@oracle.com>
- References: <20221028181108.119432-1-mike.kravetz@oracle.com>
On Fri, Oct 28, 2022 at 11:11:08AM -0700, Mike Kravetz wrote:
> v4 - Remove vma (pmd sharing) locking as this can be called with
> FOLL_NOWAIT. Peter
Thanks, Mike. For the gup safety on pmd unshare, I'll prepare a few small
patches and post hopefully early next week (will be off-work on Mon & Tue,
but maybe I'll still try).
--
Peter Xu
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