On Tue, 14 Jul 2020 11:07:44 +0800 linmiaohe <[email protected]> wrote:
> The vm_flags may be changed after call_mmap() because drivers may set some > flags for their own purpose. As a result, we failed to merge the adjacent > vma due to the different vm_flags as userspace can't pass in the same one. > Try to merge vma after call_mmap() to fix this issue. Which drivers do this?
