ANDROID: android: export kernel function vm_unmapped_area

In our vendor driver, we need to call the following function: mm/mmap.c : unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info); Bug: 191439466 Signed-off-by: xieliujie <xieliujie@oppo.com> Change-Id: I8eb0f8cc80ab7a0ebc9db3e3b217be94843da3ed
2021-07-02 20:19:23 +08:00
parent 964220d080
commit c0efdc4a5e
1 changed files with 1 additions and 0 deletions
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2214,6 +2214,7 @@ unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info)
 	trace_vm_unmapped_area(addr, info);
 	return addr;
 }
+EXPORT_SYMBOL_GPL(vm_unmapped_area);

 #ifndef arch_get_mmap_end
 #define arch_get_mmap_end(addr)	(TASK_SIZE)