diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 7 | ||||
| -rw-r--r-- | kernel/fork.c | 2 | ||||
| -rw-r--r-- | kernel/sched/core.c | 8 |
3 files changed, 13 insertions, 4 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index f89d9292e..c6c4240e7 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1334,7 +1334,7 @@ static int cgroup_show_options(struct seq_file *seq, for_each_subsys(ss, ssid) if (root->subsys_mask & (1 << ssid)) - seq_printf(seq, ",%s", ss->name); + seq_show_option(seq, ss->name, NULL); if (root->flags & CGRP_ROOT_NOPREFIX) seq_puts(seq, ",noprefix"); if (root->flags & CGRP_ROOT_XATTR) @@ -1342,13 +1342,14 @@ static int cgroup_show_options(struct seq_file *seq, spin_lock(&release_agent_path_lock); if (strlen(root->release_agent_path)) - seq_printf(seq, ",release_agent=%s", root->release_agent_path); + seq_show_option(seq, "release_agent", + root->release_agent_path); spin_unlock(&release_agent_path_lock); if (test_bit(CGRP_CPUSET_CLONE_CHILDREN, &root->cgrp.flags)) seq_puts(seq, ",clone_children"); if (strlen(root->name)) - seq_printf(seq, ",name=%s", root->name); + seq_show_option(seq, "name", root->name); return 0; } diff --git a/kernel/fork.c b/kernel/fork.c index 22b794452..20e8dfec5 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -461,7 +461,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) struct inode *inode = file_inode(file); struct address_space *mapping = file->f_mapping; - get_file(file); + vma_get_file(tmp); if (tmp->vm_flags & VM_DENYWRITE) atomic_dec(&inode->i_writecount); i_mmap_lock_write(mapping); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 78b4bad10..e9673433c 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5433,6 +5433,14 @@ static int sched_cpu_active(struct notifier_block *nfb, case CPU_STARTING: set_cpu_rq_start_time(); return NOTIFY_OK; + case CPU_ONLINE: + /* + * At this point a starting CPU has marked itself as online via + * set_cpu_online(). But it might not yet have marked itself + * as active, which is essential from here on. + * + * Thus, fall-through and help the starting CPU along. + */ case CPU_DOWN_FAILED: set_cpu_active((long)hcpu, true); return NOTIFY_OK; |