The patch titled
pid namespaces: remove the struct pid unneeded fields
has been removed from the -mm tree. Its filename was
pid-namespaces-remove-the-struct-pid-unneeded-fields.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: pid namespaces: remove the struct pid unneeded fields
From: Pavel Emelyanov <xemul@xxxxxxxxxx>
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 <xemul@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Sukadev Bhattiprolu <sukadev@xxxxxxxxxx>
Cc: Paul Menage <menage@xxxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/init_task.h | 3 ---
include/linux/pid.h | 3 ---
kernel/pid.c | 1 -
3 files changed, 7 deletions(-)
diff -puN include/linux/init_task.h~pid-namespaces-remove-the-struct-pid-unneeded-fields include/linux/init_task.h
--- a/include/linux/init_task.h~pid-namespaces-remove-the-struct-pid-unneeded-fields
+++ a/include/linux/init_task.h
@@ -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 }, \
diff -puN include/linux/pid.h~pid-namespaces-remove-the-struct-pid-unneeded-fields include/linux/pid.h
--- a/include/linux/pid.h~pid-namespaces-remove-the-struct-pid-unneeded-fields
+++ a/include/linux/pid.h
@@ -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;
diff -puN kernel/pid.c~pid-namespaces-remove-the-struct-pid-unneeded-fields kernel/pid.c
--- a/kernel/pid.c~pid-namespaces-remove-the-struct-pid-unneeded-fields
+++ a/kernel/pid.c
@@ -263,7 +263,6 @@ struct pid *alloc_pid(struct pid_namespa
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]);
_
Patches currently in -mm which might be from xemul@xxxxxxxxxx are
origin.patch
memory-controller-add-documentation.patch
memory-controller-resource-counters-v7.patch
memory-controller-resource-counters-v7-fix.patch
memory-controller-containers-setup-v7.patch
memory-controller-accounting-setup-v7.patch
memory-controller-memory-accounting-v7.patch
memory-controller-task-migration-v7.patch
memory-controller-add-per-container-lru-and-reclaim-v7.patch
memory-controller-add-per-container-lru-and-reclaim-v7-fix.patch
memory-controller-improve-user-interface.patch
memory-controller-oom-handling-v7.patch
memory-controller-oom-handling-v7-vs-oom-killer-stuff.patch
memory-controller-add-switch-to-control-what-type-of-pages-to-limit-v7.patch
memory-controller-add-switch-to-control-what-type-of-pages-to-limit-v7-fix-2.patch
memory-controller-make-page_referenced-container-aware-v7.patch
memory-controller-make-charging-gfp-mask-aware.patch
bugfix-for-memory-cgroup-controller-charge-refcnt-race-fix.patch
bugfix-for-memory-cgroup-controller-fix-error-handling-path-in-mem_charge_cgroup.patch
bugfix-for-memory-controller-add-helper-function-for-assigning-cgroup-to-page.patch
bugfix-for-memory-cgroup-controller-avoid-pagelru-page-in-mem_cgroup_isolate_pages.patch
bugfix-for-memory-cgroup-controller-migration-under-memory-controller-fix.patch
reiser4-use-helpers-to-obtain-task-pid-in-printks.patch
-
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