[PATCH] new scheme to preempt swap token

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

diff --git a/kernel/fork.c b/kernel/fork.c
index 8cdd3e72ba55f9ee52b098e67b1b7d4fcd04aa58..5678e6c61ef2da70ebbab4dd30aab2fda13a7c23 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -479,6 +479,10 @@ static struct mm_struct *dup_mm(struct task_struct *tsk)
 
        memcpy(mm, oldmm, sizeof(*mm));
 
+       /* Initializing for Swap token stuff */
+       mm->token_priority = 0;
+       mm->last_interval = 0;
+
        if (!mm_init(mm))
                goto fail_nomem;
 
@@ -542,6 +546,10 @@ static int copy_mm(unsigned long clone_flags, struct task_struct * tsk)
                goto fail_nomem;
 
 good_mm:
+       /* Initializing for Swap token stuff */
+       mm->token_priority = 0;
+       mm->last_interval = 0;
+
        tsk->mm = mm;
        tsk->active_mm = mm;
        return 0;