From: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
To: "Yeleswarapu, Nagaradhesh" <nagaradhesh.yeleswarapu@amd.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: Regarding Virtual address split for a specific process
Date: Mon, 1 Aug 2022 17:54:53 +0200 [thread overview]
Message-ID: <cef4e746-e996-63a7-8927-12ab9411c608@kernel.org> (raw)
In-Reply-To: <SN1PR12MB2431C48C9351834C00E91F7AFD9A9@SN1PR12MB2431.namprd12.prod.outlook.com>
On 8/1/22 08:45, Yeleswarapu, Nagaradhesh wrote:
> [AMD Official Use Only - General]
>
> Hi,
>
> From the config options(CONFIG_VMSPLIT_3G/2G/1G), looks like 3/1 or 2/2 or 1/3 split is for all the user space processes.
Yeah, but only for 32bit architectures.
> Is it possible to do 2/2 split for a specific process and let all the other processes use default 3/1 (user/kernel) VA split?
No, it's hardcoded in the kernel compilation. What would be the use case?
> Thanks,
> Nagaradhesh
next prev parent reply other threads:[~2022-08-01 15:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-01 6:45 Yeleswarapu, Nagaradhesh
2022-08-01 15:54 ` Vlastimil Babka (SUSE) [this message]
2022-08-02 12:08 ` Yeleswarapu, Nagaradhesh
2022-08-02 12:19 ` Matthew Wilcox
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