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-rw-r--r--arch/csky/mm/highmem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c
index 813129145f3d..690d678649d1 100644
--- a/arch/csky/mm/highmem.c
+++ b/arch/csky/mm/highmem.c
@@ -29,7 +29,7 @@ EXPORT_SYMBOL(kmap);
void kunmap(struct page *page)
{
- BUG_ON(in_interrupt());
+ might_sleep();
if (!PageHighMem(page))
return;
kunmap_high(page);