Michal Hocko <mhocko@xxxxxxxxxx> writes: > On Sun 14-10-18 00:39:29, Michael Ellerman wrote: >> Add a test for MAP_FIXED_NOREPLACE, based on some code originally by >> Jann Horn. This would have caught the overlap bug reported by Daniel Micay. >> >> I originally suggested to Michal that we create MAP_FIXED_NOREPLACE, but >> instead of writing a selftest I spent my time bike-shedding whether it >> should be called MAP_FIXED_SAFE/NOCLOBBER/WEAK/NEW .. mea culpa. > > You wer one of those to provide a useful feedback actually. So no reason > to feel sorry. I should have been forced to write a test case instead. > No idea why I haven't considered that myself actually. So I steal your > culpa here. Haha, plenty of culpa to go around :) Yeah we should try to always have selftests for new flags and things like this. This one was a bit special because the original point of the new flag was for the kernel to use internally, and we sort of forgot that we were also adding a user-visible flag. >> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > > Thanks for doing this! > Acked-by: Michal Hocko <mhocko@xxxxxxxx> Thanks. cheers
