In the future, the init_iova_rcaches will be called in atomic.
Signed-off-by: Yoshihiro Shimoda <[email protected]>
---
drivers/iommu/iova.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index b7268a1..866ad65 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -723,7 +723,9 @@ static void init_iova_rcaches(struct iova_domain *iovad)
rcache = &iovad->rcaches[i];
spin_lock_init(&rcache->lock);
rcache->depot_size = 0;
- rcache->cpu_rcaches = __alloc_percpu(sizeof(*cpu_rcache),
cache_line_size());
+ rcache->cpu_rcaches = __alloc_percpu_gfp(sizeof(*cpu_rcache),
+ cache_line_size(),
+ GFP_NOWAIT);
if (WARN_ON(!rcache->cpu_rcaches))
continue;
for_each_possible_cpu(cpu) {
--
1.9.1
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