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-rw-r--r--kernel/fork.c39
1 files changed, 21 insertions, 18 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index fce002ee3ddf..2e391c754ae7 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -300,9 +300,9 @@ void __init fork_init(void)
#define ARCH_MIN_TASKALIGN L1_CACHE_BYTES
#endif
/* create a slab on which task_structs can be allocated */
- task_struct_cachep =
- kmem_cache_create("task_struct", arch_task_struct_size,
- ARCH_MIN_TASKALIGN, SLAB_PANIC | SLAB_NOTRACK, NULL);
+ task_struct_cachep = kmem_cache_create("task_struct",
+ arch_task_struct_size, ARCH_MIN_TASKALIGN,
+ SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT, NULL);
#endif
/* do the arch specific task caches init */
@@ -380,6 +380,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
#endif
tsk->splice_pipe = NULL;
tsk->task_frag.page = NULL;
+ tsk->wake_q.next = NULL;
account_kernel_stack(ti, 1);
@@ -413,7 +414,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
RCU_INIT_POINTER(mm->exe_file, get_mm_exe_file(oldmm));
mm->total_vm = oldmm->total_vm;
- mm->shared_vm = oldmm->shared_vm;
+ mm->data_vm = oldmm->data_vm;
mm->exec_vm = oldmm->exec_vm;
mm->stack_vm = oldmm->stack_vm;
@@ -432,8 +433,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
struct file *file;
if (mpnt->vm_flags & VM_DONTCOPY) {
- vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file,
- -vma_pages(mpnt));
+ vm_stat_account(mm, mpnt->vm_flags, -vma_pages(mpnt));
continue;
}
charge = 0;
@@ -1249,7 +1249,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
{
int retval;
struct task_struct *p;
- void *cgrp_ss_priv[CGROUP_CANFORK_COUNT] = {};
if ((clone_flags & (CLONE_NEWNS|CLONE_FS)) == (CLONE_NEWNS|CLONE_FS))
return ERR_PTR(-EINVAL);
@@ -1348,9 +1347,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
prev_cputime_init(&p->prev_cputime);
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
- seqlock_init(&p->vtime_seqlock);
+ seqcount_init(&p->vtime_seqcount);
p->vtime_snap = 0;
- p->vtime_snap_whence = VTIME_SLEEPING;
+ p->vtime_snap_whence = VTIME_INACTIVE;
#endif
#if defined(SPLIT_RSS_COUNTING)
@@ -1526,7 +1525,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
* between here and cgroup_post_fork() if an organisation operation is in
* progress.
*/
- retval = cgroup_can_fork(p, cgrp_ss_priv);
+ retval = cgroup_can_fork(p);
if (retval)
goto bad_fork_free_pid;
@@ -1608,7 +1607,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
write_unlock_irq(&tasklist_lock);
proc_fork_connector(p);
- cgroup_post_fork(p, cgrp_ss_priv);
+ cgroup_post_fork(p);
threadgroup_change_end(current);
perf_event_fork(p);
@@ -1618,7 +1617,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
return p;
bad_fork_cancel_cgroup:
- cgroup_cancel_fork(p, cgrp_ss_priv);
+ cgroup_cancel_fork(p);
bad_fork_free_pid:
if (pid != &init_struct_pid)
free_pid(pid);
@@ -1848,16 +1847,19 @@ void __init proc_caches_init(void)
sighand_cachep = kmem_cache_create("sighand_cache",
sizeof(struct sighand_struct), 0,
SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_DESTROY_BY_RCU|
- SLAB_NOTRACK, sighand_ctor);
+ SLAB_NOTRACK|SLAB_ACCOUNT, sighand_ctor);
signal_cachep = kmem_cache_create("signal_cache",
sizeof(struct signal_struct), 0,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL);
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT,
+ NULL);
files_cachep = kmem_cache_create("files_cache",
sizeof(struct files_struct), 0,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL);
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT,
+ NULL);
fs_cachep = kmem_cache_create("fs_cache",
sizeof(struct fs_struct), 0,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL);
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT,
+ NULL);
/*
* FIXME! The "sizeof(struct mm_struct)" currently includes the
* whole struct cpumask for the OFFSTACK case. We could change
@@ -1867,8 +1869,9 @@ void __init proc_caches_init(void)
*/
mm_cachep = kmem_cache_create("mm_struct",
sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN,
- SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL);
- vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC);
+ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK|SLAB_ACCOUNT,
+ NULL);
+ vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC|SLAB_ACCOUNT);
mmap_init();
nsproxy_cache_init();
}