From: Christoph Hellwig <hch@infradead.org>
To: Yafang Shao <laoar.shao@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux MM <linux-mm@kvack.org>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: [PATCH] mm, gpu: fix error when FOLL_MLOCK an unpresent page
Date: Mon, 30 Aug 2021 11:08:07 +0100 [thread overview]
Message-ID: <YSyuB11GjXg4MBig@infradead.org> (raw)
In-Reply-To: <CALOAHbBocrx-hTe57Rb=ipOQaN78+syqeb1tbuj72Xak+9wUZw@mail.gmail.com>
On Mon, Aug 30, 2021 at 05:12:32PM +0800, Yafang Shao wrote:
> > Which is not a valid way to call get_user_pages. What we need to do is
> > to reject that case.
>
> Do you mean below change ?
Sory of. I think once touching this we should do a few more cleanups
including making many of the flags private to gup.c. I'll try to find
some time to post a more complete series.
next prev parent reply other threads:[~2021-08-30 10:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-29 1:19 [PATCH] mm, gpu: fix error when FOLL_MLOCK an unpresent page Yafang Shao
2021-08-30 7:00 ` Christoph Hellwig
2021-08-30 9:12 ` Yafang Shao
2021-08-30 10:08 ` Christoph Hellwig [this message]
2021-08-30 10:55 ` Yafang Shao
2021-08-31 1:36 ` Kirill A. Shutemov
2021-08-31 12:32 ` Yafang Shao
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