Messages in this thread | | | Date | Fri, 29 May 1998 17:30:43 +0200 | From | Martin Mares <> | Subject | Re: __get_free_pages() |
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Hi,
> Various boards have different DMA limits. PCI devices may be limited to > 1meg, or 4Gig in a 64bit system. The GFP_DMA bit is getting overloaded,
PCI devices themselves are usually not limited to anything less than 4Gig. I know of the following limits:
* 1 Meg ISA 8-bit DMA * 16 Meg ISA 16-bit DMA * 4 Gig 32-bit cards in 64-bit systems
> and it seems to me that just adding more GFP_DMA bits is an exploding > problem.
Have a nice fortnight -- Martin `MJ' Mares <mj@ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/ Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth "And don't forget to feed your computer virus..."
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