On 05/07/2015 08:08 PM, Andrea Arcangeli wrote: > On Thu, May 07, 2015 at 06:20:52PM +0300, Pavel Emelyanov wrote: >> Yes. Longer message (type + 3 u64-s) and the ability to request for extra >> events is all I need. If you're OK with this being in the 0xAA API, then > > This started from the request to get the full address (even if > personally I'm not convinced that the bits below PAGE_SHIFT can be > meaningful to userland) but I thought we could achieve both things and > hopefully this change is for the best. :) > Can you have a look at this and let me know if it looks ok? > > http://git.kernel.org/cgit/linux/kernel/git/andrea/aa.git/commit/?h=userfault&id=d7ba2f23bb978820aa04f1e338789669eff33a7d > http://git.kernel.org/cgit/linux/kernel/git/andrea/aa.git/tree/fs/userfaultfd.c?h=userfault&id=d7ba2f23bb978820aa04f1e338789669eff33a7d > http://git.kernel.org/cgit/linux/kernel/git/andrea/aa.git/tree/include/uapi/linux/userfaultfd.h?h=userfault&id=d7ba2f23bb978820aa04f1e338789669eff33a7d Yup, this works for me, Now I can re-base my patches on it and check for the features to contain FORK, REMAP and MADVDONTNEED and provide more info in the place now occupied with the uffd_msg.reserved fields. And all this w/o introducing new API :) Thanks! -- Pavel -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>