Christoph Lameter wrote:
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().
That's wrong, I think? It should return NULL surely? (and possibly do a printk telling the user they should enable ZONE_DMA config, although some users have valid fallback strategies). --Send instant messages to your online friends http://au.messenger.yahoo.com -
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