Hi Mike, On 25 September 2017 at 18:33, Mike Kravetz <mike.kravetz@xxxxxxxxxx> wrote: > On 09/20/2017 12:25 AM, Michael Kerrisk (man-pages) wrote: [...] >> I've applied this, and added Reviewed-by tags for Florian and Jann. >> But, I think it's also worth noting the older, now disallowed, behavior, >> and why the behavior was changed. So I added a note in BUGS: >> >> BUGS >> Before Linux 4.14, if old_size was zero and the mapping referred >> to by old_address was a private mapping (mmap(2) MAP_PRIVATE), >> mremap() created a new private mapping unrelated to the original >> mapping. This behavior was unintended and probably unexpected in >> user-space applications (since the intention of mremap() is to >> create a new mapping based on the original mapping). Since Linux >> 4.14, mremap() fails with the error EINVAL in this scenario. >> >> Does that seem okay? > > Sorry for the late reply Michael, I've been away for a few days. > > Yes, the above seems okay. Thanks for your help with this. You're welcome. Thanks for checking it over! Cheers, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- 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>
