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-rw-r--r--mm/vmalloc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 903cad46e79..7774c632897 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1259,6 +1259,7 @@ EXPORT_SYMBOL(vfree);
void vunmap(const void *addr)
{
BUG_ON(in_interrupt());
+ might_sleep();
__vunmap(addr, 0);
}
EXPORT_SYMBOL(vunmap);
@@ -1278,6 +1279,8 @@ void *vmap(struct page **pages, unsigned int count,
{
struct vm_struct *area;
+ might_sleep();
+
if (count > num_physpages)
return NULL;