diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 14a12d6b3df6e89c695860170ce10145d1556f0d..244e54a2153b3cb2a93fcf0f0b22d6d23d9107d9 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -465,7 +465,7 @@ static struct chan *parse_chan(char *str, int pri, int device,
 	data = (*ops->init)(str, device, opts);
 	if(data == NULL) return(NULL);
 
-	chan = kmalloc(sizeof(*chan), GFP_KERNEL);
+	chan = kmalloc(sizeof(*chan), GFP_ATOMIC);
 	if(chan == NULL) return(NULL);
 	*chan = ((struct chan) { .list	 	= LIST_HEAD_INIT(chan->list),
 				 .primary	= 1,
diff --git a/arch/um/kernel/sigio_user.c b/arch/um/kernel/sigio_user.c
index e89218958f38c4bbe9bd1473363a862235ad4fcd..a52751108aa125c3299926efdb8d8aad53496a72 100644
--- a/arch/um/kernel/sigio_user.c
+++ b/arch/um/kernel/sigio_user.c
@@ -340,7 +340,7 @@ static int setup_initial_poll(int fd)
 {
 	struct pollfd *p;
 
-	p = um_kmalloc(sizeof(struct pollfd));
+	p = um_kmalloc_atomic(sizeof(struct pollfd));
 	if(p == NULL){
 		printk("setup_initial_poll : failed to allocate poll\n");
 		return(-1);