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Re: kernel BUG at mm/truncate.c:475!

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From: Miklos Szeredi
Subject: Re: kernel BUG at mm/truncate.c:475!
Date: Wednesday, December 15, 2010 - 4:22 am

On Tue, 14 Dec 2010, Hugh Dickins wrote:

Me neither, all unmap_mapping_range() calls from shmfs are either with
i_mutex or from evict_inode.

Hmm, is there anything preventing remap_file_pages() installing a pte
at an address that unmap_mapping_range() has already processed?

Thanks,
Miklos
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Messages in current thread:
kernel BUG at mm/truncate.c:475!, Michael Leun, (Tue Nov 30, 11:49 am)
Re: kernel BUG at mm/truncate.c:475!, Hugh Dickins, (Tue Nov 30, 4:00 pm)
Re: kernel BUG at mm/truncate.c:475!, Miklos Szeredi, (Wed Dec 1, 3:25 am)
Re: kernel BUG at mm/truncate.c:475!, Michael Leun, (Wed Dec 1, 4:45 am)
Re: kernel BUG at mm/truncate.c:475!, Miklos Szeredi, (Wed Dec 1, 10:22 am)
Re: kernel BUG at mm/truncate.c:475!, Michael Leun, (Thu Dec 2, 12:41 am)
Re: kernel BUG at mm/truncate.c:475!, Michael Leun, (Thu Dec 2, 1:15 am)
Re: kernel BUG at mm/truncate.c:475!, Miklos Szeredi, (Thu Dec 2, 2:42 am)
Re: kernel BUG at mm/truncate.c:475!, Michael Leun, (Thu Dec 2, 3:57 am)
Re: kernel BUG at mm/truncate.c:475!, Michael Leun, (Fri Dec 3, 12:53 am)
Re: kernel BUG at mm/truncate.c:475!, Miklos Szeredi, (Mon Dec 6, 5:36 am)
Re: kernel BUG at mm/truncate.c:475!, Michael Leun, (Mon Dec 6, 12:43 pm)
Re: kernel BUG at mm/truncate.c:475!, Michael Leun, (Sat Dec 11, 12:50 pm)
Re: kernel BUG at mm/truncate.c:475!, Andrew Morton, (Mon Dec 13, 3:20 pm)
Re: kernel BUG at mm/truncate.c:475!, Hugh Dickins, (Tue Dec 14, 12:31 am)
Re: kernel BUG at mm/truncate.c:475!, Peter Zijlstra, (Tue Dec 14, 2:10 am)
Re: kernel BUG at mm/truncate.c:475!, Peter Zijlstra, (Tue Dec 14, 2:11 am)
Re: kernel BUG at mm/truncate.c:475!, Miklos Szeredi, (Tue Dec 14, 3:45 am)
Re: kernel BUG at mm/truncate.c:475!, Hugh Dickins, (Tue Dec 14, 9:32 pm)
Re: kernel BUG at mm/truncate.c:475!, Miklos Szeredi, (Wed Dec 15, 4:22 am)
Re: kernel BUG at mm/truncate.c:475!, Hugh Dickins, (Wed Dec 15, 5:26 pm)
Re: kernel BUG at mm/truncate.c:475!, Robert Święcki, (Thu Dec 16, 7:50 am)
Re: kernel BUG at mm/truncate.c:475!, Hugh Dickins, (Thu Dec 16, 12:05 pm)