hi i have kernel 2.2.18 i need a dma buffer (dose not have to be linear) so i used vmalloc to get the space then i need to make it non_cache so i found cr3 the got the page entry and got the phys page address also setting bit 4 of the page entry to disable caching and then reloading cr3 when i had done all the pages to reset the tlb's this worked fine but now i need to shear the mem with a user program so in my driver mmap function i got vm->start and current ->tss->cr3 this give me to page entree witch i then set to the phys addr of the above pages this seam's to work fine is their any thing else i need to do ? remap_pages_range did not work on this mem but dose work on other address spaces ? Thank You David Rundle <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
