diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-06-27 11:07:19 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-22 23:57:56 +0400 |
| commit | 67d1214551e800f9fe7dc7c47a346d2df0fafed5 (patch) | |
| tree | ffcc93af9390339adda36668255e617073b724a1 /kernel/task_work.c | |
| parent | 158e1645e07f3e9f7e4962d7a0997f5c3b98311b (diff) | |
| download | lwn-67d1214551e800f9fe7dc7c47a346d2df0fafed5.tar.gz lwn-67d1214551e800f9fe7dc7c47a346d2df0fafed5.zip | |
merge task_work and rcu_head, get rid of separate allocation for keyring case
task_work and rcu_head are identical now; merge them (calling the result
struct callback_head, rcu_head #define'd to it), kill separate allocation
in security/keys since we can just use cred->rcu now.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel/task_work.c')
| -rw-r--r-- | kernel/task_work.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/task_work.c b/kernel/task_work.c index 9b8948dbdc60..76266fb665dc 100644 --- a/kernel/task_work.c +++ b/kernel/task_work.c @@ -3,7 +3,7 @@ #include <linux/tracehook.h> int -task_work_add(struct task_struct *task, struct task_work *twork, bool notify) +task_work_add(struct task_struct *task, struct callback_head *twork, bool notify) { unsigned long flags; int err = -ESRCH; @@ -19,8 +19,8 @@ task_work_add(struct task_struct *task, struct task_work *twork, bool notify) */ raw_spin_lock_irqsave(&task->pi_lock, flags); if (likely(!(task->flags & PF_EXITING))) { - struct task_work *last = task->task_works; - struct task_work *first = last ? last->next : twork; + struct callback_head *last = task->task_works; + struct callback_head *first = last ? last->next : twork; twork->next = first; if (last) last->next = twork; @@ -35,16 +35,16 @@ task_work_add(struct task_struct *task, struct task_work *twork, bool notify) return err; } -struct task_work * +struct callback_head * task_work_cancel(struct task_struct *task, task_work_func_t func) { unsigned long flags; - struct task_work *last, *res = NULL; + struct callback_head *last, *res = NULL; raw_spin_lock_irqsave(&task->pi_lock, flags); last = task->task_works; if (last) { - struct task_work *q = last, *p = q->next; + struct callback_head *q = last, *p = q->next; while (1) { if (p->func == func) { q->next = p->next; @@ -66,7 +66,7 @@ task_work_cancel(struct task_struct *task, task_work_func_t func) void task_work_run(void) { struct task_struct *task = current; - struct task_work *p, *q; + struct callback_head *p, *q; raw_spin_lock_irq(&task->pi_lock); p = task->task_works; |