diff options
Diffstat (limited to 'kernel/slow-work.h')
| -rw-r--r-- | kernel/slow-work.h | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/kernel/slow-work.h b/kernel/slow-work.h deleted file mode 100644 index a29ebd1ef41d..000000000000 --- a/kernel/slow-work.h +++ /dev/null | |||
| @@ -1,72 +0,0 @@ | |||
| 1 | /* Slow work private definitions | ||
| 2 | * | ||
| 3 | * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved. | ||
| 4 | * Written by David Howells (dhowells@redhat.com) | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or | ||
| 7 | * modify it under the terms of the GNU General Public Licence | ||
| 8 | * as published by the Free Software Foundation; either version | ||
| 9 | * 2 of the Licence, or (at your option) any later version. | ||
| 10 | */ | ||
| 11 | |||
| 12 | #define SLOW_WORK_CULL_TIMEOUT (5 * HZ) /* cull threads 5s after running out of | ||
| 13 | * things to do */ | ||
| 14 | #define SLOW_WORK_OOM_TIMEOUT (5 * HZ) /* can't start new threads for 5s after | ||
| 15 | * OOM */ | ||
| 16 | |||
| 17 | #define SLOW_WORK_THREAD_LIMIT 255 /* abs maximum number of slow-work threads */ | ||
| 18 | |||
| 19 | /* | ||
| 20 | * slow-work.c | ||
| 21 | */ | ||
| 22 | #ifdef CONFIG_SLOW_WORK_DEBUG | ||
| 23 | extern struct slow_work *slow_work_execs[]; | ||
| 24 | extern pid_t slow_work_pids[]; | ||
| 25 | extern rwlock_t slow_work_execs_lock; | ||
| 26 | #endif | ||
| 27 | |||
| 28 | extern struct list_head slow_work_queue; | ||
| 29 | extern struct list_head vslow_work_queue; | ||
| 30 | extern spinlock_t slow_work_queue_lock; | ||
| 31 | |||
| 32 | /* | ||
| 33 | * slow-work-debugfs.c | ||
| 34 | */ | ||
| 35 | #ifdef CONFIG_SLOW_WORK_DEBUG | ||
| 36 | extern const struct file_operations slow_work_runqueue_fops; | ||
| 37 | |||
| 38 | extern void slow_work_new_thread_desc(struct slow_work *, struct seq_file *); | ||
| 39 | #endif | ||
| 40 | |||
| 41 | /* | ||
| 42 | * Helper functions | ||
| 43 | */ | ||
| 44 | static inline void slow_work_set_thread_pid(int id, pid_t pid) | ||
| 45 | { | ||
| 46 | #ifdef CONFIG_SLOW_WORK_DEBUG | ||
| 47 | slow_work_pids[id] = pid; | ||
| 48 | #endif | ||
| 49 | } | ||
| 50 | |||
| 51 | static inline void slow_work_mark_time(struct slow_work *work) | ||
| 52 | { | ||
| 53 | #ifdef CONFIG_SLOW_WORK_DEBUG | ||
| 54 | work->mark = CURRENT_TIME; | ||
| 55 | #endif | ||
| 56 | } | ||
| 57 | |||
| 58 | static inline void slow_work_begin_exec(int id, struct slow_work *work) | ||
| 59 | { | ||
| 60 | #ifdef CONFIG_SLOW_WORK_DEBUG | ||
| 61 | slow_work_execs[id] = work; | ||
| 62 | #endif | ||
| 63 | } | ||
| 64 | |||
| 65 | static inline void slow_work_end_exec(int id, struct slow_work *work) | ||
| 66 | { | ||
| 67 | #ifdef CONFIG_SLOW_WORK_DEBUG | ||
| 68 | write_lock(&slow_work_execs_lock); | ||
| 69 | slow_work_execs[id] = NULL; | ||
| 70 | write_unlock(&slow_work_execs_lock); | ||
| 71 | #endif | ||
| 72 | } | ||