On Tue, 2005-08-09 at 20:06 -0700, Dave Hansen wrote: > On Tue, 2005-08-09 at 14:15 -0700, Mike Kravetz wrote: > > On Tue, Aug 09, 2005 at 08:11:20PM +0900, Yasunori Goto wrote: > > > I modified the patch which guarantees allocation of DMA area > > > at alloc_bootmem_low(). > > > > I was going to replace more instances of __pa(MAX_DMA_ADDRESS) with > > max_dma_physaddr(). However, when grepping for MAX_DMA_ADDRESS I > > noticed instances of virt_to_phys(MAX_DMA_ADDRESS) as well. Can > > someone tell me what the differences are between __pa() and virt_to_phys().
One more thing is the obvious: __pa() is always a macro, and virt_to_phys() is sometimes a function. __pa() can, therefore, be used in assembly. -- Dave - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
