We want to be able to use a sleeping lock for freeing vmap to keep
latency down. For this we need to use the deferred vfree mechanisms
no only from interrupt, but from any atomic context.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
mm/vmalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a4e2cec..bcc1a64 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1509,7 +1509,7 @@ void vfree(const void *addr)
if (!addr)
return;
- if (unlikely(in_interrupt())) {
+ if (unlikely(in_atomic())) {
struct vfree_deferred *p = this_cpu_ptr(&vfree_deferred);
if (llist_add((struct llist_node *)addr, &p->list))
schedule_work(&p->wq);
--
2.1.4
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