Izik Eidus wrote: > Gerd Hoffmann wrote: >> Did you test whenever it really cleans up in case you "kill -9 qemu"? >> >> I recently did something simliar with the result that the extra >> reference hold on mm_struct prevented the process memory from being >> zapped ... >> >> cheers, >> Gerd >> > Did you use mmput() after you called get_task_mm() ??? > get_task_mm() do nothing beside atomic_inc(&mm->mm_users);
mmput() call was in ->release() callback, ->release() in turn never was called because the kernel didn't zap the mappings because of the reference ... The driver *also* created mappings which ksmctl doesn't, so it could be you don't run into this issue. cheers, Gerd -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
