Re: [patch 11/28] Use unchecked_isa_dma in sd_revalidate_disk()

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On Thu, 2007-05-10 at 23:00 -0700, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
> From: Bernhard Walle <bwalle@xxxxxxx>
> 
> In sd_revalidate_disk(), the SCSI Disk driver needs a few bytes DMA memory,
> allocated by kmalloc() and __GFP_DMA.  This patch uses __GFP_DMA only if
> the corresponding host structure has unchecked_isa_dma set.

OK, now we have the Mike Christie fix that actually bounces our
submission paths correctly, we can really eliminate all the GFP_DMA
buffer allocations in the ULDs ... so this isn't really the right fix.

James


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