procfs: provide stack information for threads

[mirror_ubuntu-bionic-kernel.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index 73a442b7be6dff8a2abce0d3537a3cd9cb0db910..8f45b0ebdda78bc0f5dc3da512d0b69d50a54090 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -866,6 +866,7 @@ 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;
+       sig->maxrss = sig->cmaxrss = 0;
        task_io_accounting_init(&sig->ioac);
        sig->sum_sched_runtime = 0;
        taskstats_tgid_init(sig);
@@ -880,6 +881,8 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 
        tty_audit_fork(sig);
 
+       sig->oom_adj = current->signal->oom_adj;
+
        return 0;
 }
 
@@ -1092,6 +1095,8 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 
        p->bts = NULL;
 
+       p->stack_start = stack_start;
+
        /* Perform scheduler related setup. Assign this task to a CPU. */
        sched_fork(p, clone_flags);