P-RES: allocation in pres_admit_task() must be atomic

The kernel codepath calling into pres_admit_task() is holding some
lock unrelated to LITMUS^RT. As a result, we need to pass GFP_ATOMIC,
not just GFP_KERNEL, to kzalloc().

1 files changed, 1 insertions, 1 deletions

diff --git a/litmus/sched_pres.c b/litmus/sched_pres.c
index 13a47a831794..49648ee9bfbc 100644
--- a/litmus/sched_pres.c
+++ b/litmus/sched_pres.c
@@ -264,7 +264,7 @@ static long pres_admit_task(struct task_struct *tsk)
         unsigned long flags;
         struct reservation *res;
         struct pres_cpu_state *state;
-        struct pres_task_state *tinfo = kzalloc(sizeof(*tinfo), GFP_KERNEL);
+        struct pres_task_state *tinfo = kzalloc(sizeof(*tinfo), GFP_ATOMIC);
 
         if (!tinfo)
                 return -ENOMEM;