Skip to content

Commit

Permalink
pid namespaces: remove the struct pid unneeded fields
Browse files Browse the repository at this point in the history
Since we've switched from using pid->nr to pid->upids->nr some
fields on struct pid are no longer needed

Signed-off-by: Pavel Emelyanov <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Sukadev Bhattiprolu <[email protected]>
Cc: Paul Menage <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
  • Loading branch information
xemul authored and Linus Torvalds committed Oct 19, 2007
1 parent 228ebcb commit 19b9b9b
Show file tree
Hide file tree
Showing 3 changed files with 0 additions and 7 deletions.
3 changes: 0 additions & 3 deletions include/linux/init_task.h
Original file line number Diff line number Diff line change
Expand Up @@ -94,9 +94,6 @@ extern struct group_info init_groups;

#define INIT_STRUCT_PID { \
.count = ATOMIC_INIT(1), \
.nr = 0, \
/* Don't put this struct pid in pid_hash */ \
.pid_chain = { .next = NULL, .pprev = NULL }, \
.tasks = { \
{ .first = &init_task.pids[PIDTYPE_PID].node }, \
{ .first = &init_task.pids[PIDTYPE_PGID].node }, \
Expand Down
3 changes: 0 additions & 3 deletions include/linux/pid.h
Original file line number Diff line number Diff line change
Expand Up @@ -57,9 +57,6 @@ struct upid {
struct pid
{
atomic_t count;
/* Try to keep pid_chain in the same cacheline as nr for find_pid */
int nr;
struct hlist_node pid_chain;
/* lists of tasks that use this pid */
struct hlist_head tasks[PIDTYPE_MAX];
struct rcu_head rcu;
Expand Down
1 change: 0 additions & 1 deletion kernel/pid.c
Original file line number Diff line number Diff line change
Expand Up @@ -263,7 +263,6 @@ struct pid *alloc_pid(struct pid_namespace *ns)

get_pid_ns(ns);
pid->level = ns->level;
pid->nr = pid->numbers[0].nr;
atomic_set(&pid->count, 1);
for (type = 0; type < PIDTYPE_MAX; ++type)
INIT_HLIST_HEAD(&pid->tasks[type]);
Expand Down

0 comments on commit 19b9b9b

Please sign in to comment.