Messages in this thread | | | Date | Mon, 13 Jul 2020 20:20:35 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: mmap: Merge vma after call_mmap() if possible |
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On Tue, 14 Jul 2020 11:07:44 +0800 linmiaohe <linmiaohe@huawei.com> 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?
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