lkml.org 
[lkml]   [2007]   [Jun]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [Intel IOMMU 06/10] Avoid memory allocation failures in dma map api calls
Peter Zijlstra wrote:
>
>
> PF_MEMALLOC as is, is meant to salvage the VM from the typical VM
> deadlock.

.. and this IS the typical VM deadlock.. it is your storage driver
trying to write out a piece of memory on behalf of the VM, and calls
the iommu to map it, which then needs a bit of memory....
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2007-06-20 15:07    [from the cache]
©2003-2011 Jasper Spaans. Advertise on this site