Hi Mike, On 25 September 2017 at 18:33, Mike Kravetz <[email protected]> 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/
