![]() | |||||||||||||
Messages in this thread |
> What was the problem with drivers ? On ppc64, it's all hidden in the > arch code. All the kernel sees is a 64k page size. I extended the PTE to > contain tracking informations for the 16 sub pages (HPTE bits & hash > slot index). Sub pages are faulted on demand and flushed all at once, > but it's all transparent to the generic code. > We did that with the VAX port about 5 years ago :-), granted for different reasons.. The VAX has 512 byte hw pages, we had to make a 4K pagesize for the kernel by grouping 8 hw pages together and hiding it all in the arch dir.. granted I don't know if it broke any drivers, we didn't have any... Dave. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2005-11-05 06:40 [from the cache] ©2003-2008 | |||||||||||||