rtl8187: Improve wireless statistics for RTL8187B

[linux-2.6] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index b42f8ed23611703400788dccb525e1c9b5240134..8214ba7c8bb1ad78e110687ade3459bff8b40073 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -657,13 +657,6 @@ static struct fs_struct *__copy_fs_struct(struct fs_struct *old)
                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->altroot.mnt = NULL;
-                       fs->altroot.dentry = NULL;
-               }
                read_unlock(&old->lock);
        }
        return fs;
@@ -813,12 +806,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
        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;
-#ifdef CONFIG_TASK_XACCT
-       sig->rchar = sig->wchar = sig->syscr = sig->syscw = 0;
-#endif
-#ifdef CONFIG_TASK_IO_ACCOUNTING
-       memset(&sig->ioac, 0, sizeof(sig->ioac));
-#endif
+       task_io_accounting_init(&sig->ioac);
        sig->sum_sched_runtime = 0;
        INIT_LIST_HEAD(&sig->cpu_timers[0]);
        INIT_LIST_HEAD(&sig->cpu_timers[1]);
@@ -1001,13 +989,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
        p->last_switch_timestamp = 0;
 #endif
 
-#ifdef CONFIG_TASK_XACCT
-       p->rchar = 0;           /* I/O counter: bytes read */
-       p->wchar = 0;           /* I/O counter: bytes written */
-       p->syscr = 0;           /* I/O counter: read syscalls */
-       p->syscw = 0;           /* I/O counter: write syscalls */
-#endif
-       task_io_accounting_init(p);
+       task_io_accounting_init(&p->ioac);
        acct_clear_integrals(p);
 
        p->it_virt_expires = cputime_zero;
@@ -1414,10 +1396,7 @@ long do_fork(unsigned long clone_flags,
                        freezer_do_not_count();
                        wait_for_completion(&vfork);
                        freezer_count();
-                       if (unlikely (current->ptrace & PT_TRACE_VFORK_DONE)) {
-                               current->ptrace_message = nr;
-                               ptrace_notify ((PTRACE_EVENT_VFORK_DONE << 8) | SIGTRAP);
-                       }
+                       tracehook_report_vfork_done(p, nr);
                }
        } else {
                nr = PTR_ERR(p);