UML's get_task() wants to find a task by its PID; NFI why it is doing
any tasklist scanning here. find_task_by_pid() is present in 2.4.x also.

 process_kern.c |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)


diff -urpN wli-2.5.51-bk1-6/arch/um/kernel/process_kern.c wli-2.5.51-bk1-7/arch/um/kernel/process_kern.c
--- wli-2.5.51-bk1-6/arch/um/kernel/process_kern.c	2002-12-09 18:46:09.000000000 -0800
+++ wli-2.5.51-bk1-7/arch/um/kernel/process_kern.c	2002-12-11 18:34:09.000000000 -0800
@@ -49,16 +49,10 @@ struct cpu_task cpu_tasks[NR_CPUS] = { [
 
 struct task_struct *get_task(int pid, int require)
 {
-        struct task_struct *task, *ret;
+        struct task_struct *ret;
 
-        ret = NULL;
         read_lock(&tasklist_lock);
-        for_each_process(task){
-                if(task->pid == pid){
-                        ret = task;
-                        break;
-                }
-        }
+	ret = find_task_by_pid(pid);
         read_unlock(&tasklist_lock);
         if(require && (ret == NULL)) panic("get_task couldn't find a task\n");
         return(ret);