Re: [PATCH] mm/memory: Avoid unnecessary kernel/user pointer conversion

From: Kirill A. Shutemov
Date: Wed Sep 15 2021 - 06:40:32 EST


On Tue, Sep 14, 2021 at 08:38:20PM +0530, Amit Daniel Kachhap wrote:
> Annotating a pointer from __user to kernel and then back again might
> confuse sparse. In copy_huge_page_from_user() it can be avoided by
> removing the intermediate variable since it is never used.
>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Amit Daniel Kachhap <amit.kachhap@xxxxxxx>

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

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Kirill A. Shutemov