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Re: mm: fault in __do_fault

From Andrea Arcangeli <aarcange@redhat.com>
Newsgroups linux.kernel
Subject Re: mm: fault in __do_fault
Date 2017-02-28 17:00 +0100
Message-ID <tfSlX-6te-15@gated-at.bofh.it> (permalink)
References <tfQDw-5uI-33@gated-at.bofh.it> <tfSlX-6te-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, Feb 28, 2017 at 06:32:20PM +0300, Kirill A. Shutemov wrote:
> Andrea, does it look okay for you?
> 
> diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
> index 625b7285a37b..56f61f1a1dc1 100644
> --- a/fs/userfaultfd.c
> +++ b/fs/userfaultfd.c
> @@ -489,7 +489,7 @@ int handle_userfault(struct vm_fault *vmf, unsigned long reason)
>                          * in such case.
>                          */
>                         down_read(&mm->mmap_sem);
> -                       ret = 0;
> +                       ret = VM_FAULT_NOPAGE;
>                 }
>         }

Yes, I did the same fix.

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Thread

mm: fault in __do_fault Dmitry Vyukov <dvyukov@google.com> - 2017-02-28 15:10 +0100
  Re: mm: fault in __do_fault Andrea Arcangeli <aarcange@redhat.com> - 2017-02-28 16:50 +0100
    Re: mm: fault in __do_fault Dmitry Vyukov <dvyukov@google.com> - 2017-03-03 08:50 +0100
  Re: mm: fault in __do_fault Andrea Arcangeli <aarcange@redhat.com> - 2017-02-28 17:00 +0100
  Re: mm: fault in __do_fault "Kirill A. Shutemov" <kirill@shutemov.name> - 2017-02-28 17:40 +0100

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