Re: [PATCH 1/2] target/file: fix backend if highmem is enabled.

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On Thu, 2012-12-06 at 09:45 +0100, Sebastian Andrzej Siewior wrote:
> On 12/05/2012 09:53 PM, Nicholas A. Bellinger wrote:
> > Changing the commit log here to drop the commit 8f9f44f reference, as I
> > still don't see how that change effects the underlying issue with
> > highmem.  ;)
> 
> You can checkout that commit see that it does not work. Checkout HEAD~1
> and you should see that it works.
> 

Really, it's functionally the exact same rountines in target_core that
do the SGL mapping before the conversion of tcm_loop to use
target_submit_cmd_map_sgls().

I think this may have been hitting low-memory allocations for the first
couple of tests during bisection, until non GFP_DMA started getting used
for individual tcm_loop LLD I/O.

--nab








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