X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Ffork.c;h=9c042f901570e1b789d40fdbda111739c733cdb4;hb=a0916bd64a0e6636f0161480e04057c89e90c5da;hp=b2ef8e4fad70da87632b315f3be76f829371c99b;hpb=f0f1b3364ae7f48084bdf2837fb979ff59622523;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/fork.c b/kernel/fork.c
index b2ef8e4fad7..9c042f90157 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -390,11 +390,10 @@ struct mm_struct * mm_alloc(void)
  * is dropped: either by a lazy thread or by
  * mmput. Free the page directory and the mm.
  */
-void fastcall __mmdrop(struct mm_struct *mm)
+void __mmdrop(struct mm_struct *mm)
 {
 	BUG_ON(mm == &init_mm);
 	mm_free_pgd(mm);
-	mm_free_cgroup(mm);
 	destroy_context(mm);
 	free_mm(mm);
 }
@@ -416,6 +415,7 @@ void mmput(struct mm_struct *mm)
 			spin_unlock(&mmlist_lock);
 		}
 		put_swap_token(mm);
+		mm_free_cgroup(mm);
 		mmdrop(mm);
 	}
 }
@@ -600,16 +600,16 @@ static struct fs_struct *__copy_fs_struct(struct fs_struct *old)
 		rwlock_init(&fs->lock);
 		fs->umask = old->umask;
 		read_lock(&old->lock);
-		fs->rootmnt = mntget(old->rootmnt);
-		fs->root = dget(old->root);
-		fs->pwdmnt = mntget(old->pwdmnt);
-		fs->pwd = dget(old->pwd);
-		if (old->altroot) {
-			fs->altrootmnt = mntget(old->altrootmnt);
-			fs->altroot = dget(old->altroot);
+		fs->root = old->root;
+		path_get(&old->root);
+		fs->pwd = old->pwd;
+		path_get(&old->pwd);
+		if (old->altroot.dentry) {
+			fs->altroot = old->altroot;
+			path_get(&old->altroot);
 		} else {
-			fs->altrootmnt = NULL;
-			fs->altroot = NULL;
+			fs->altroot.mnt = NULL;
+			fs->altroot.dentry = NULL;
 		}
 		read_unlock(&old->lock);
 	}
@@ -909,7 +909,6 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	hrtimer_init(&sig->real_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
 	sig->it_real_incr.tv64 = 0;
 	sig->real_timer.function = it_real_fn;
-	sig->tsk = tsk;
 
 	sig->it_virt_expires = cputime_zero;
 	sig->it_virt_incr = cputime_zero;
@@ -1338,6 +1337,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 			if (clone_flags & CLONE_NEWPID)
 				p->nsproxy->pid_ns->child_reaper = p;
 
+			p->signal->leader_pid = pid;
 			p->signal->tty = current->signal->tty;
 			set_task_pgrp(p, task_pgrp_nr(current));
 			set_task_session(p, task_session_nr(current));
@@ -1488,13 +1488,7 @@ long do_fork(unsigned long clone_flags,
 	if (!IS_ERR(p)) {
 		struct completion vfork;
 
-		/*
-		 * this is enough to call pid_nr_ns here, but this if
-		 * improves optimisation of regular fork()
-		 */
-		nr = (clone_flags & CLONE_NEWPID) ?
-			task_pid_nr_ns(p, current->nsproxy->pid_ns) :
-				task_pid_vnr(p);
+		nr = task_pid_vnr(p);
 
 		if (clone_flags & CLONE_PARENT_SETTID)
 			put_user(nr, parent_tidptr);