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>
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1044791755
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18 changed files with 21 additions and 21 deletions
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@ -548,7 +548,7 @@ static int loop_thread(void *data)
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struct loop_device *lo = data;
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struct loop_device *lo = data;
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struct bio *bio;
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struct bio *bio;
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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while (!kthread_should_stop() || !bio_list_empty(&lo->lo_bio_list)) {
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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)
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struct nbd_device *nbd = data;
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struct nbd_device *nbd = data;
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struct request *req;
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struct request *req;
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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while (!kthread_should_stop() || !list_empty(&nbd->waiting_queue)) {
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while (!kthread_should_stop() || !list_empty(&nbd->waiting_queue)) {
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/* wait for something to do */
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/* wait for something to do */
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wait_event_interruptible(nbd->waiting_wq,
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wait_event_interruptible(nbd->waiting_wq,
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@ -1463,7 +1463,7 @@ static int kcdrwd(void *foobar)
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struct packet_data *pkt;
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struct packet_data *pkt;
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long min_sleep_time, residue;
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long min_sleep_time, residue;
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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set_freezable();
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set_freezable();
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for (;;) {
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for (;;) {
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@ -998,7 +998,7 @@ static int ipmi_thread(void *data)
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struct timespec busy_until;
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struct timespec busy_until;
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ipmi_si_set_not_busy(&busy_until);
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ipmi_si_set_not_busy(&busy_until);
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set_user_nice(current, 19);
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set_user_nice(current, MAX_NICE);
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while (!kthread_should_stop()) {
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while (!kthread_should_stop()) {
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int busy_wait;
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int busy_wait;
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@ -1803,7 +1803,7 @@ static int ap_poll_thread(void *data)
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int requests;
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int requests;
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struct ap_device *ap_dev;
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struct ap_device *ap_dev;
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set_user_nice(current, 19);
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set_user_nice(current, MAX_NICE);
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while (1) {
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while (1) {
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if (ap_suspend_flag)
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if (ap_suspend_flag)
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return 0;
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return 0;
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@ -464,7 +464,7 @@ static int bnx2fc_l2_rcv_thread(void *arg)
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struct fcoe_percpu_s *bg = arg;
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struct fcoe_percpu_s *bg = arg;
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struct sk_buff *skb;
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struct sk_buff *skb;
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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set_current_state(TASK_INTERRUPTIBLE);
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set_current_state(TASK_INTERRUPTIBLE);
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while (!kthread_should_stop()) {
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while (!kthread_should_stop()) {
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schedule();
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schedule();
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@ -602,7 +602,7 @@ int bnx2fc_percpu_io_thread(void *arg)
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struct bnx2fc_work *work, *tmp;
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struct bnx2fc_work *work, *tmp;
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LIST_HEAD(work_list);
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LIST_HEAD(work_list);
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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set_current_state(TASK_INTERRUPTIBLE);
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set_current_state(TASK_INTERRUPTIBLE);
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while (!kthread_should_stop()) {
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while (!kthread_should_stop()) {
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schedule();
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schedule();
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@ -1870,7 +1870,7 @@ int bnx2i_percpu_io_thread(void *arg)
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struct bnx2i_work *work, *tmp;
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struct bnx2i_work *work, *tmp;
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LIST_HEAD(work_list);
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LIST_HEAD(work_list);
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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while (!kthread_should_stop()) {
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while (!kthread_should_stop()) {
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spin_lock_bh(&p->p_work_lock);
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spin_lock_bh(&p->p_work_lock);
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@ -1872,7 +1872,7 @@ static int fcoe_percpu_receive_thread(void *arg)
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skb_queue_head_init(&tmp);
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skb_queue_head_init(&tmp);
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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retry:
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retry:
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while (!kthread_should_stop()) {
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while (!kthread_should_stop()) {
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@ -4515,7 +4515,7 @@ static int ibmvfc_work(void *data)
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struct ibmvfc_host *vhost = data;
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struct ibmvfc_host *vhost = data;
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int rc;
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int rc;
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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while (1) {
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while (1) {
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rc = wait_event_interruptible(vhost->work_wait_q,
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rc = wait_event_interruptible(vhost->work_wait_q,
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@ -2213,7 +2213,7 @@ static int ibmvscsi_work(void *data)
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struct ibmvscsi_host_data *hostdata = data;
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struct ibmvscsi_host_data *hostdata = data;
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int rc;
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int rc;
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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while (1) {
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while (1) {
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rc = wait_event_interruptible(hostdata->work_wait_q,
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rc = wait_event_interruptible(hostdata->work_wait_q,
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@ -731,7 +731,7 @@ lpfc_do_work(void *p)
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struct lpfc_hba *phba = p;
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struct lpfc_hba *phba = p;
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int rc;
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int rc;
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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current->flags |= PF_NOFREEZE;
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current->flags |= PF_NOFREEZE;
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phba->data_flags = 0;
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phba->data_flags = 0;
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@ -4828,7 +4828,7 @@ qla2x00_do_dpc(void *data)
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ha = (struct qla_hw_data *)data;
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ha = (struct qla_hw_data *)data;
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base_vha = pci_get_drvdata(ha->pdev);
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base_vha = pci_get_drvdata(ha->pdev);
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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set_current_state(TASK_INTERRUPTIBLE);
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set_current_state(TASK_INTERRUPTIBLE);
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while (!kthread_should_stop()) {
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while (!kthread_should_stop()) {
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@ -441,7 +441,7 @@ static void binder_set_nice(long nice)
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"%d: nice value %ld not allowed use %ld instead\n",
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"%d: nice value %ld not allowed use %ld instead\n",
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current->pid, nice, min_nice);
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current->pid, nice, min_nice);
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set_user_nice(current, min_nice);
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set_user_nice(current, min_nice);
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if (min_nice < 20)
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if (min_nice <= MAX_NICE)
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return;
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return;
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binder_user_error("%d RLIMIT_NICE not set\n", current->pid);
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binder_user_error("%d RLIMIT_NICE not set\n", current->pid);
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}
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}
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@ -407,7 +407,7 @@ static int loop_thread(void *data)
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int refcheck;
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int refcheck;
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int ret = 0;
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int ret = 0;
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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lo->lo_state = LLOOP_BOUND;
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lo->lo_state = LLOOP_BOUND;
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@ -1107,7 +1107,7 @@ static int o2hb_thread(void *data)
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mlog(ML_HEARTBEAT|ML_KTHREAD, "hb thread running\n");
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mlog(ML_HEARTBEAT|ML_KTHREAD, "hb thread running\n");
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set_user_nice(current, -20);
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set_user_nice(current, MIN_NICE);
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/* Pin node */
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/* Pin node */
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o2nm_depend_this_node();
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o2nm_depend_this_node();
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@ -216,7 +216,7 @@ static int lock_torture_writer(void *arg)
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static DEFINE_TORTURE_RANDOM(rand);
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static DEFINE_TORTURE_RANDOM(rand);
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VERBOSE_TOROUT_STRING("lock_torture_writer task started");
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VERBOSE_TOROUT_STRING("lock_torture_writer task started");
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set_user_nice(current, 19);
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set_user_nice(current, MAX_NICE);
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do {
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do {
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schedule_timeout_uninterruptible(1);
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schedule_timeout_uninterruptible(1);
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@ -100,10 +100,10 @@ enum {
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/*
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/*
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* Rescue workers are used only on emergencies and shared by
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* Rescue workers are used only on emergencies and shared by
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* all cpus. Give -20.
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* all cpus. Give MIN_NICE.
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*/
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*/
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RESCUER_NICE_LEVEL = -20,
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RESCUER_NICE_LEVEL = MIN_NICE,
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HIGHPRI_NICE_LEVEL = -20,
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HIGHPRI_NICE_LEVEL = MIN_NICE,
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WQ_NAME_LEN = 24,
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WQ_NAME_LEN = 24,
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};
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};
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@ -2803,7 +2803,7 @@ static int khugepaged(void *none)
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struct mm_slot *mm_slot;
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struct mm_slot *mm_slot;
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set_freezable();
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set_freezable();
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set_user_nice(current, 19);
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set_user_nice(current, MAX_NICE);
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while (!kthread_should_stop()) {
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while (!kthread_should_stop()) {
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khugepaged_do_scan();
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khugepaged_do_scan();
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