On Nov 7, 2007 11:51 AM, Adam Litke <[EMAIL PROTECTED]> wrote: > When calling get_user_pages(), a write flag is passed in by the caller to > indicate if write access is required on the faulted-in pages. Currently, > follow_hugetlb_page() ignores this flag and always faults pages for > read-only access. This can cause data corruption because a device driver > that calls get_user_pages() with write set will not expect COW faults to > occur on the returned pages. > > This patch passes the write flag down to follow_hugetlb_page() and makes > sure hugetlb_fault() is called with the right write_access parameter. > > Signed-off-by: Adam Litke <[EMAIL PROTECTED]>
Adam, this looks good. Reviewed-by: Ken Chen <[EMAIL PROTECTED]> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
