diff mbox series

[09/17] mm: export access_remote_vm() symbol

Message ID 20230103162920.1569002-10-fenghua.yu@intel.com (mailing list archive)
State New
Headers show
Series None | expand

Commit Message

Fenghua Yu Jan. 3, 2023, 4:29 p.m. UTC 
From: Dave Jiang <dave.jiang@intel.com>

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@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Co-developed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org
---
 mm/memory.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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.