sched, treewide: Replace hardcoded nice values with MIN_NICE/MAX_NICE

Replace various -20/+19 hardcoded nice values with MIN_NICE/MAX_NICE.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/ff13819fd09b7a5dba5ab5ae797f2e7019bdfa17.1394532288.git.yangds.fnst@cn.fujitsu.com
Cc: devel@driverdev.osuosl.org
Cc: devicetree@vger.kernel.org
Cc: fcoe-devel@open-fcoe.org
Cc: linux390@de.ibm.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-s390@vger.kernel.org
Cc: linux-scsi@vger.kernel.org
Cc: nbd-general@lists.sourceforge.net
Cc: ocfs2-devel@oss.oracle.com
Cc: openipmi-developer@lists.sourceforge.net
Cc: qla2xxx-upstream@qlogic.com
Cc: linux-arch@vger.kernel.org
[ Consolidated the patches, twiddled the changelog. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Dongsheng Yang 2014-03-11 18:09:12 +08:00 committed by Ingo Molnar
parent 1044791755
commit 8698a745d8
18 changed files with 21 additions and 21 deletions

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@ -548,7 +548,7 @@ static int loop_thread(void *data)
struct loop_device *lo = data;
struct bio *bio;
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
while (!kthread_should_stop() || !bio_list_empty(&lo->lo_bio_list)) {

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@ -533,7 +533,7 @@ static int nbd_thread(void *data)
struct nbd_device *nbd = data;
struct request *req;
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
while (!kthread_should_stop() || !list_empty(&nbd->waiting_queue)) {
/* wait for something to do */
wait_event_interruptible(nbd->waiting_wq,

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@ -1463,7 +1463,7 @@ static int kcdrwd(void *foobar)
struct packet_data *pkt;
long min_sleep_time, residue;
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
set_freezable();
for (;;) {

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@ -998,7 +998,7 @@ static int ipmi_thread(void *data)
struct timespec busy_until;
ipmi_si_set_not_busy(&busy_until);
set_user_nice(current, 19);
set_user_nice(current, MAX_NICE);
while (!kthread_should_stop()) {
int busy_wait;

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@ -1803,7 +1803,7 @@ static int ap_poll_thread(void *data)
int requests;
struct ap_device *ap_dev;
set_user_nice(current, 19);
set_user_nice(current, MAX_NICE);
while (1) {
if (ap_suspend_flag)
return 0;

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@ -464,7 +464,7 @@ static int bnx2fc_l2_rcv_thread(void *arg)
struct fcoe_percpu_s *bg = arg;
struct sk_buff *skb;
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
set_current_state(TASK_INTERRUPTIBLE);
while (!kthread_should_stop()) {
schedule();
@ -602,7 +602,7 @@ int bnx2fc_percpu_io_thread(void *arg)
struct bnx2fc_work *work, *tmp;
LIST_HEAD(work_list);
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
set_current_state(TASK_INTERRUPTIBLE);
while (!kthread_should_stop()) {
schedule();

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@ -1870,7 +1870,7 @@ int bnx2i_percpu_io_thread(void *arg)
struct bnx2i_work *work, *tmp;
LIST_HEAD(work_list);
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
while (!kthread_should_stop()) {
spin_lock_bh(&p->p_work_lock);

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@ -1872,7 +1872,7 @@ static int fcoe_percpu_receive_thread(void *arg)
skb_queue_head_init(&tmp);
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
retry:
while (!kthread_should_stop()) {

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@ -4515,7 +4515,7 @@ static int ibmvfc_work(void *data)
struct ibmvfc_host *vhost = data;
int rc;
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
while (1) {
rc = wait_event_interruptible(vhost->work_wait_q,

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@ -2213,7 +2213,7 @@ static int ibmvscsi_work(void *data)
struct ibmvscsi_host_data *hostdata = data;
int rc;
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
while (1) {
rc = wait_event_interruptible(hostdata->work_wait_q,

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@ -731,7 +731,7 @@ lpfc_do_work(void *p)
struct lpfc_hba *phba = p;
int rc;
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
current->flags |= PF_NOFREEZE;
phba->data_flags = 0;

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@ -4828,7 +4828,7 @@ qla2x00_do_dpc(void *data)
ha = (struct qla_hw_data *)data;
base_vha = pci_get_drvdata(ha->pdev);
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
set_current_state(TASK_INTERRUPTIBLE);
while (!kthread_should_stop()) {

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@ -441,7 +441,7 @@ static void binder_set_nice(long nice)
"%d: nice value %ld not allowed use %ld instead\n",
current->pid, nice, min_nice);
set_user_nice(current, min_nice);
if (min_nice < 20)
if (min_nice <= MAX_NICE)
return;
binder_user_error("%d RLIMIT_NICE not set\n", current->pid);
}

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@ -407,7 +407,7 @@ static int loop_thread(void *data)
int refcheck;
int ret = 0;
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
lo->lo_state = LLOOP_BOUND;

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@ -1107,7 +1107,7 @@ static int o2hb_thread(void *data)
mlog(ML_HEARTBEAT|ML_KTHREAD, "hb thread running\n");
set_user_nice(current, -20);
set_user_nice(current, MIN_NICE);
/* Pin node */
o2nm_depend_this_node();

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@ -216,7 +216,7 @@ static int lock_torture_writer(void *arg)
static DEFINE_TORTURE_RANDOM(rand);
VERBOSE_TOROUT_STRING("lock_torture_writer task started");
set_user_nice(current, 19);
set_user_nice(current, MAX_NICE);
do {
schedule_timeout_uninterruptible(1);

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@ -100,10 +100,10 @@ enum {
/*
* Rescue workers are used only on emergencies and shared by
* all cpus. Give -20.
* all cpus. Give MIN_NICE.
*/
RESCUER_NICE_LEVEL = -20,
HIGHPRI_NICE_LEVEL = -20,
RESCUER_NICE_LEVEL = MIN_NICE,
HIGHPRI_NICE_LEVEL = MIN_NICE,
WQ_NAME_LEN = 24,
};

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@ -2803,7 +2803,7 @@ static int khugepaged(void *none)
struct mm_slot *mm_slot;
set_freezable();
set_user_nice(current, 19);
set_user_nice(current, MAX_NICE);
while (!kthread_should_stop()) {
khugepaged_do_scan();