![]() | |||||||||||||
Messages in this thread |
Albert Cahalan <albert@users.sourceforge.net> wrote: > > When handling 64 GB on i386, pte_addr_t really only > needs 33 bits to find the PTE. It sure doesn't need > the full 64 bits it is using. yup. > How about cheating a bit? If the pte_addr_t only had > the high 32 bits of the 36-bit pointer, it would point > to a pair of the 8-byte PTEs in a 16-byte chunk of RAM. > Then simply examine the PTEs to see which one is the > correct one. They might both map the same page. It could overflow into page->flags. - 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: 2005-03-22 13:03 [from the cache] ©2003-2008 | |||||||||||||