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SubjectRe: [PATCH v2] prctl: Deprecate non PR_SET_MM_MAP operations
On Thu, 5 Apr 2018 21:26:51 +0300 Cyrill Gorcunov <> wrote:

> Subject: [PATCH v2] prctl: Deprecate non PR_SET_MM_MAP operations

s/Deprecate/remove/ !

> An ability to manipulate mm_struct fields was introduced in
> sake of CRIU in first place. Later we provide more suitable
> and safe operation PR_SET_MM_MAP where all fields to be modifed
> are passed in one structure which allows us to make more detailed
> verification.
> Still old interface remains present for compatibility reason
> though CRIU itself already switched to PR_SET_MM_MAP on its
> own long ago.
> Googling didn't reveal some other users of this operation
> so I think it should be safe to remove this interface.

It does seem a bit sudden. We could just add a "this interface is
scheduled for removal" warning, then delete the code for real later in
the year. To give people time to migrate or to complain to us.

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