Messages in this thread Patch in this message | | | From | Jia-Ju Bai <> | Subject | [PATCH V2] hyper-v: use GFP_KERNEL for hv_context.hv_numa_map | Date | Mon, 18 Dec 2017 17:02:52 +0800 |
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The kzalloc function is called with GFP_ATOMIC. But according to driver call graph, it is not in atomic context, namely no spinlock is held nor in an interrupt handler.
This GFP_ATOMIC is unnecessary, and replace with GFP_KERNEL.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> --- drivers/hv/hv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index 8267439..b0d025a 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -150,7 +150,7 @@ int hv_synic_alloc(void) int cpu; hv_context.hv_numa_map = kzalloc(sizeof(struct cpumask) * nr_node_ids, - GFP_ATOMIC); + GFP_KERNEL); if (hv_context.hv_numa_map == NULL) { pr_err("Unable to allocate NUMA map\n"); goto err; -- 1.7.9.5
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