linux-kernel - Re: [RFC][PATCH 07/34] x86/mm: Introduce virtual address space limit helper

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Date: Tue, 27 Feb 2024 11:09:39 +0000
From: "Huang, Kai" <kai.huang@...el.com>
To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>
CC: "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
	"tglx@...utronix.de" <tglx@...utronix.de>, "pbonzini@...hat.com"
	<pbonzini@...hat.com>, "x86@...nel.org" <x86@...nel.org>, "bp@...en8.de"
	<bp@...en8.de>
Subject: Re: [RFC][PATCH 07/34] x86/mm: Introduce virtual address space limit
 helper

On Thu, 2024-02-22 at 10:39 -0800, Dave Hansen wrote:
> From: Dave Hansen <dave.hansen@...ux.intel.com>
> 
> This uses the same logic and approach which were used for the physical
> address limits with x86_phys_bits() and extends them to the virtual
> address space.
> 
> Introduce a system-wide helper for users to query the size of the
> virtual address space: x86_virt_bits()
> 
> Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
> ---
> 

Reviewed-by: Kai Huang <kai.huang@...el.com>