2941l1.orig100640 1061 330 1237 6601561124 11110 0ustar mlrljedit/* Code from sched.c, heavily edited for clarity and simplicity */ static inline int goodness(struct task_struct * p, struct task_struct * prev, int this_cpu) { int weight; weight = p->counter; /* Code to adjust weight */ return weight; } asmlinkage void schedule(void) { prev = current; c = -1000; next = idle_task; /* The Search Loop */ while (p != &init_task) { int weight = goodness(p, prev, this_cpu); if (weight > c) c = weight, next = p; p = p->next_run; } /* The Recalc Loop */ /* if all runnable processes have "counter == 0", re-calculate counters */ if (!c) { for_each_task(p) p->counter = (p->counter >> 1) + p->priority; } } 2941l2.orig100640 1061 330 237 6601561226 11073 0ustar mlrljeditasmlinkage int sys_sched_yield(void) { cli(); move_last_runqueue(current); current->counter = 0; // THIS IS THE LINE need_resched = 1; sti(); return 0; } 2941l3.orig100640 1061 330 262 6601561255 11074 0ustar mlrljeditasmlinkage int sys_sched_yield(void) { cli(); move_last_runqueue(current); if (current->counter) // CHANGE IS HERE current->counter--; need_resched = 1; sti(); return 0; }