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Date: Tue, 2 Feb 2021 11:31:27 -0500
From: Peter Xu <peterx@...hat.com>
To: 20200918161902.GX8409@...pe.ca
Cc: Jason Gunthorpe <jgg@...pe.ca>,
Linus Torvalds <torvalds@...ux-foundation.org>,
John Hubbard <jhubbard@...dia.com>,
Leon Romanovsky <leonro@...dia.com>,
Linux-MM <linux-mm@...ck.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
"Maya B . Gokhale" <gokhale2@...l.gov>,
Yang Shi <yang.shi@...ux.alibaba.com>,
Marty Mcfadden <mcfadden8@...l.gov>,
Kirill Shutemov <kirill@...temov.name>,
Oleg Nesterov <oleg@...hat.com>, Jann Horn <jannh@...gle.com>,
Jan Kara <jack@...e.cz>, Kirill Tkhai <ktkhai@...tuozzo.com>,
Andrea Arcangeli <aarcange@...hat.com>,
Christoph Hellwig <hch@....de>,
Andrew Morton <akpm@...ux-foundation.org>,
"Zhang, Wei" <wzam@...zon.com>
Subject: Re: [PATCH 1/4] mm: Trial do_wp_page() simplification
On Tue, Feb 02, 2021 at 04:40:33PM +0200, Gal Pressman wrote:
> Hi Peter & Jason,
Hi, Gal, Jason,
>
> It seems the hugetlb part was overlooked?
> We're testing if the RDMA fork MADV_DONTFORK stuff can be removed on appropriate
> kernels, but our tests still fail due to lacking explicit huge pages support [1].
I didn't think it high priority only because I think most hugetlbfs users
should be using it shared, but maybe I'm wrong.. Then it got lost indeed.
But I definitely agree it should better be there.
>
> Peter, was it left unchanged on purpose?
> Are you planning to submit the hugetlb changes as well?
>
> [1] https://github.com/linux-rdma/rdma-core/pull/883#issuecomment-770398171
>
I'll prepare a fix soon and post it. Thanks,
--
Peter Xu
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