Re: lockdep splat in today's master in generic/070

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On Tue, Feb 28, 2017 at 04:56:01PM +0200, Nikolay Borisov wrote:
> Hello, 
> 
> I've been running xfstest and I can reliably reproduce the following lockdep splat: 

vm_map_ram() has hard coded GFP_KERNEL allocations, it's being
called in GFP_NOFS context, and lockdep doesn't know about
memalloc_noio_save() used by _xfs_buf_map_pages() to work around
the problems in vm_map_ram(). See the comment in
_xfs_buf_map_pages().

-Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx
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