PF_MEMALLOC_NOIO 1959 include/linux/sched.h if (unlikely(current->flags & PF_MEMALLOC_NOIO)) PF_MEMALLOC_NOIO 1966 include/linux/sched.h unsigned int flags = current->flags & PF_MEMALLOC_NOIO; PF_MEMALLOC_NOIO 1967 include/linux/sched.h current->flags |= PF_MEMALLOC_NOIO; PF_MEMALLOC_NOIO 1973 include/linux/sched.h current->flags = (current->flags & ~PF_MEMALLOC_NOIO) | flags;