init_PStack() is never called in atomic context.
It calls kmalloc() with GFP_ATOMIC, which is not necessary.
GFP_ATOMIC can be replaced with GFP_KERNEL.
This is found by a static analysis tool named DCNS written by myself.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
static int
init_PStack(struct PStack **stp) {
- *stp = kmalloc(sizeof(struct PStack), GFP_ATOMIC);
+ *stp = kmalloc(sizeof(struct PStack), GFP_KERNEL);
if (!*stp)
return -ENOMEM;
(*stp)->next = NULL;