Re: [PATCH] xfs: flush vmap aliases when mapping fails

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On Fri, Mar 11, 2011 at 09:49:45AM +1100, Dave Chinner wrote:
> > IMHO this should be done by vm_map_ram internally.  If we can't get the
> > core code fixes we can put this in as a last resort.
> 
> OK. The patch was done as part of the triage for this bug:
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=27492
> 
> where the vmalloc space on 32 bit systems is getting exhausted. I
> can easily move this flush-and-retry into the vmap code.

Looks like we're not going to make any progress on the VM side for this,
so I think we'll need the XFS variant for 2.6.39.


Reviewed-by: Christoph Hellwig <hch@xxxxxx>

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