From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@lst.de>
Subject: unchecked_isa_dma on sparcv9
Date: Tue, 29 Apr 2003 10:19:25 +0200
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To: davem@redhat.com
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drivers/scsi/pluto.c contains the following code:

#ifdef __sparc_v9__
			host->unchecked_isa_dma = 1;
#endif

The only thing host->unchecked_isa_dma = 1 does is to add a __GFP_DMA
flag to certain memory allocations, but IIRC __GFP_DMA is a noop on
sparcv9.  So what is this supposed to do?