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authorRodrigo Vivi <rodrigo.vivi@intel.com>2019-07-29 08:51:48 -0700
committerRodrigo Vivi <rodrigo.vivi@intel.com>2019-07-29 08:51:48 -0700
commited32f8d42cee118b075e4372a55c7739a11094b2 (patch)
tree5a806c5168d4177e0536b98b6bda30ec4bdbac43 /include/linux/pid.h
parent60a4233a4952729089e4df152e730f8f4d0e82ce (diff)
parent5f9e832c137075045d15cd6899ab0505cfb2ca4b (diff)
Merge drm/drm-next into drm-intel-next-queued
Catching up with 5.3-rc* Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'include/linux/pid.h')
-rw-r--r--include/linux/pid.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 3c8ef5a199ca..2a83e434db9d 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -3,6 +3,8 @@
#define _LINUX_PID_H
#include <linux/rculist.h>
+#include <linux/wait.h>
+#include <linux/refcount.h>
enum pid_type
{
@@ -56,10 +58,12 @@ struct upid {
struct pid
{
- atomic_t count;
+ refcount_t count;
unsigned int level;
/* lists of tasks that use this pid */
struct hlist_head tasks[PIDTYPE_MAX];
+ /* wait queue for pidfd notifications */
+ wait_queue_head_t wait_pidfd;
struct rcu_head rcu;
struct upid numbers[1];
};
@@ -71,7 +75,7 @@ extern const struct file_operations pidfd_fops;
static inline struct pid *get_pid(struct pid *pid)
{
if (pid)
- atomic_inc(&pid->count);
+ refcount_inc(&pid->count);
return pid;
}