Re: [RFC PATCH 15/73] mm/vmalloc: Add a helper to reserve a contiguous and aligned kernel virtual area

Christoph Hellwig
2024-02-27T14:56:27Z

On Mon, Feb 26, 2024 at 10:35:32PM +0800, Lai Jiangshan wrote:
> From: Hou Wenlong <houwenlong.hwl@antgroup.com>
>
> PVM needs to reserve a contiguous and aligned kernel virtual area for

Who is "PVM", and why does it need aligned virtual memory space?

> +extern struct vm_struct *get_vm_area_align(unsigned long size, unsigned long align,

No need for the extern here.