From: Dave Jiang <dave.jiang@xxxxxxxxx>
Export access_remote_vm() symbol for driver usage. The idxd driver would
like to use it to write the user's completion record that the hardware
device is not able to write to due to user page fault.
Tested-by: Tony Zhu <tony.zhu@xxxxxxxxx>
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Co-developed-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Signed-off-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
---
mm/memory.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mm/memory.c b/mm/memory.c
index aad226daf41b..caae4deff987 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -5579,6 +5579,7 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr,
{
return __access_remote_vm(mm, addr, buf, len, gup_flags);
}
+EXPORT_SYMBOL_GPL(access_remote_vm);
/*
* Access another process' address space.
--
2.32.0
