X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=kernel%2Ffork.c;h=2ce28f165e31a1e671e014b10a852e53cd1c535b;hb=32c15bb978c0e6ff65b3012a6af5a14c899005ce;hp=5e67f90a1694b46fc752b0a5b48fa3701bc15ec2;hpb=37ca506adc395a028cd12760eca419dd0dc14b5c;p=powerpc.git

diff --git a/kernel/fork.c b/kernel/fork.c
index 5e67f90a16..2ce28f165e 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -107,6 +107,7 @@ static struct kmem_cache *mm_cachep;
 
 void free_task(struct task_struct *tsk)
 {
+	prop_local_destroy_single(&tsk->dirties);
 	free_thread_info(tsk->stack);
 	rt_mutex_debug_task_free(tsk);
 	free_task_struct(tsk);
@@ -163,6 +164,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
 {
 	struct task_struct *tsk;
 	struct thread_info *ti;
+	int err;
 
 	prepare_to_copy(orig);
 
@@ -178,6 +180,14 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
 
 	*tsk = *orig;
 	tsk->stack = ti;
+
+	err = prop_local_init_single(&tsk->dirties);
+	if (err) {
+		free_thread_info(ti);
+		free_task_struct(tsk);
+		return NULL;
+	}
+
 	setup_thread_stack(tsk, orig);
 
 #ifdef CONFIG_CC_STACKPROTECTOR
@@ -258,7 +268,7 @@ static inline int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
 			get_file(file);
 			if (tmp->vm_flags & VM_DENYWRITE)
 				atomic_dec(&inode->i_writecount);
-      
+
 			/* insert tmp into the share list, just after mpnt */
 			spin_lock(&file->f_mapping->i_mmap_lock);
 			tmp->vm_truncate_count = mpnt->vm_truncate_count;
@@ -321,7 +331,7 @@ static inline void mm_free_pgd(struct mm_struct * mm)
 #define mm_free_pgd(mm)
 #endif /* CONFIG_MMU */
 
- __cacheline_aligned_in_smp DEFINE_SPINLOCK(mmlist_lock);
+__cacheline_aligned_in_smp DEFINE_SPINLOCK(mmlist_lock);
 
 #define allocate_mm()	(kmem_cache_alloc(mm_cachep, GFP_KERNEL))
 #define free_mm(mm)	(kmem_cache_free(mm_cachep, (mm)))
@@ -728,8 +738,8 @@ static struct files_struct *dup_fd(struct files_struct *oldf, int *errorp)
 	/* compute the remainder to be cleared */
 	size = (new_fdt->max_fds - open_files) * sizeof(struct file *);
 
-	/* This is long word aligned thus could use a optimized version */ 
-	memset(new_fds, 0, size); 
+	/* This is long word aligned thus could use a optimized version */
+	memset(new_fds, 0, size);
 
 	if (new_fdt->max_fds > open_files) {
 		int left = (new_fdt->max_fds-open_files)/8;
@@ -877,6 +887,8 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts
 	sig->tty_old_pgrp = NULL;
 
 	sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero;
+	sig->gtime = cputime_zero;
+	sig->cgtime = cputime_zero;
 	sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0;
 	sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
 	sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
@@ -930,6 +942,7 @@ static inline void copy_flags(unsigned long clone_flags, struct task_struct *p)
 	if (!(clone_flags & CLONE_PTRACE))
 		p->ptrace = 0;
 	p->flags = new_flags;
+	clear_freeze_flag(p);
 }
 
 asmlinkage long sys_set_tid_address(int __user *tidptr)
@@ -1045,6 +1058,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 
 	p->utime = cputime_zero;
 	p->stime = cputime_zero;
+	p->gtime = cputime_zero;
+	p->utimescaled = cputime_zero;
+	p->stimescaled = cputime_zero;
 
 #ifdef CONFIG_TASK_XACCT
 	p->rchar = 0;		/* I/O counter: bytes read */
@@ -1055,20 +1071,21 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	task_io_accounting_init(p);
 	acct_clear_integrals(p);
 
- 	p->it_virt_expires = cputime_zero;
+	p->it_virt_expires = cputime_zero;
 	p->it_prof_expires = cputime_zero;
- 	p->it_sched_expires = 0;
- 	INIT_LIST_HEAD(&p->cpu_timers[0]);
- 	INIT_LIST_HEAD(&p->cpu_timers[1]);
- 	INIT_LIST_HEAD(&p->cpu_timers[2]);
+	p->it_sched_expires = 0;
+	INIT_LIST_HEAD(&p->cpu_timers[0]);
+	INIT_LIST_HEAD(&p->cpu_timers[1]);
+	INIT_LIST_HEAD(&p->cpu_timers[2]);
 
 	p->lock_depth = -1;		/* -1 = no lock */
 	do_posix_clock_monotonic_gettime(&p->start_time);
 	p->real_start_time = p->start_time;
 	monotonic_to_bootbased(&p->real_start_time);
+#ifdef CONFIG_SECURITY
 	p->security = NULL;
+#endif
 	p->io_context = NULL;
-	p->io_wait = NULL;
 	p->audit_context = NULL;
 	cpuset_fork(p);
 #ifdef CONFIG_NUMA
@@ -1143,13 +1160,14 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	 * Clear TID on mm_release()?
 	 */
 	p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr: NULL;
+#ifdef CONFIG_FUTEX
 	p->robust_list = NULL;
 #ifdef CONFIG_COMPAT
 	p->compat_robust_list = NULL;
 #endif
 	INIT_LIST_HEAD(&p->pi_state_list);
 	p->pi_state_cache = NULL;
-
+#endif
 	/*
 	 * sigaltstack should be cleared when sharing the same VM
 	 */
@@ -1223,7 +1241,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	 * A fatal signal pending means that current will exit, so the new
 	 * thread can't slip out of an OOM kill (or normal SIGKILL).
  	 */
- 	recalc_sigpending();
+	recalc_sigpending();
 	if (signal_pending(current)) {
 		spin_unlock(&current->sighand->siglock);
 		write_unlock_irq(&tasklist_lock);
@@ -1432,8 +1450,7 @@ long do_fork(unsigned long clone_flags,
 #define ARCH_MIN_MMSTRUCT_ALIGN 0
 #endif
 
-static void sighand_ctor(void *data, struct kmem_cache *cachep,
-			unsigned long flags)
+static void sighand_ctor(struct kmem_cache *cachep, void *data)
 {
 	struct sighand_struct *sighand = data;