Messages in this thread | | | Date | Fri, 27 May 2005 14:26:36 -0500 | From | Timur Tabi <> | Subject | Will __pa(vmalloc()) ever work? |
| |
I have a driver that calls __pa() on an address obtained via vmalloc(). This is not supposed to work, and yet oddly it appears to. Is there a possibility, even a remote one, that __pa() will return the correct physical address for a buffer returned by the vmalloc() function?
Also, does the pgd/pmd/pte page-table walking work on addresses returned by kmalloc(), or do I have to use __pa() to get the physical address?
-- Timur Tabi Staff Software Engineer timur.tabi@ammasso.com
One thing a Southern boy will never say is, "I don't think duct tape will fix it." -- Ed Smylie, NASA engineer for Apollo 13 - 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/
| |