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ANDROID: android: export kernel function vm_unmapped_area

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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
This commit is contained in:
xieliujie 2021-07-02 20:19:23 +08:00 • committed by Suren Baghdasaryan
commit c0efdc4a5e
1 changed files with 1 additions and 0 deletions
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mm/mmap.c
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@ -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)