Re: [PATCH 3/6] Optional ZONE_DMA in the VM

Christoph Lameter
2006-09-12T01:40:02Z

On Tue, 12 Sep 2006, Nick Piggin wrote:

> I can't see from your patches, but what happens if someone asks
> for a GFP_DMA page or dma slab allocation when there is no ZONE_DMA?

The page/slab allocator will simply ignore the flag and return
ZONE_NORMAL memory. See gfp_zone().