On 18/12/2017 20:06, Adalber Lazăr wrote: > + /* VMAs will be modified */ > + down_write(&req_mm->mmap_sem); > + down_write(&map_mm->mmap_sem); > + Is there a locking rule when locking multiple mmap_sems at the same time? As it's written, this can cause deadlocks. Paolo -- 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>
