The patch titled
Use task_pgrp() task_session() in copy_process()
has been removed from the -mm tree. Its filename was
use-task_pgrp-task_session-in-copy_process.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: Use task_pgrp() task_session() in copy_process()
From: Sukadev Bhattiprolu <sukadev@xxxxxxxxxx>
Use task_pgrp() and task_session() in copy_process(), and avoid find_pid()
call when attaching the task to its process group and session.
Signed-off-by: Sukadev Bhattiprolu <sukadev@xxxxxxxxxx>
Cc: Cedric Le Goater <clg@xxxxxxxxxx>
Cc: Dave Hansen <haveblue@xxxxxxxxxx>
Cc: Serge Hallyn <serue@xxxxxxxxxx>
Cc: <containers@xxxxxxxxxxxxxx>
Acked-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/fork.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff -puN kernel/fork.c~use-task_pgrp-task_session-in-copy_process kernel/fork.c
--- a/kernel/fork.c~use-task_pgrp-task_session-in-copy_process
+++ a/kernel/fork.c
@@ -1249,14 +1249,11 @@ static struct task_struct *copy_process(
__ptrace_link(p, current->parent);
if (thread_group_leader(p)) {
- pid_t pgid = process_group(current);
- pid_t sid = process_session(current);
-
p->signal->tty = current->signal->tty;
- p->signal->pgrp = pgid;
+ p->signal->pgrp = process_group(current);
set_signal_session(p->signal, process_session(current));
- attach_pid(p, PIDTYPE_PGID, find_pid(pgid));
- attach_pid(p, PIDTYPE_SID, find_pid(sid));
+ attach_pid(p, PIDTYPE_PGID, task_pgrp(current));
+ attach_pid(p, PIDTYPE_SID, task_session(current));
list_add_tail_rcu(&p->tasks, &init_task.tasks);
__get_cpu_var(process_counts)++;
_
Patches currently in -mm which might be from sukadev@xxxxxxxxxx are
origin.patch
-
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