async_pf_execute() passes tsk == current to gup(), this is doesn't
hurt but unnecessary and misleading. "tsk" is only used to account
the number of faults and current is the random workqueue thread.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---
virt/kvm/async_pf.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c
index 0ced4f3..62f4223 100644
--- a/virt/kvm/async_pf.c
+++ b/virt/kvm/async_pf.c
@@ -81,7 +81,7 @@ static void async_pf_execute(struct work_struct *work)
might_sleep();
down_read(&mm->mmap_sem);
- get_user_pages(current, mm, addr, 1, 1, 0, NULL, NULL);
+ get_user_pages(NULL, mm, addr, 1, 1, 0, NULL, NULL);
up_read(&mm->mmap_sem);
kvm_async_page_present_sync(vcpu, apf);