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From: Julien Grall <julien@xen.org>
To: Jan Beulich <jbeulich@suse.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
	George Dunlap <george.dunlap@citrix.com>,
	Ian Jackson <iwj@xenproject.org>,
	Stefano Stabellini <sstabellini@kernel.org>, Wei Liu <wl@xen.org>
Subject: Re: [PATCH] gnttab: don't allocate status frame tracking array when "gnttab=max_ver:1"
Date: Wed, 2 Dec 2020 18:31:31 +0000	[thread overview]
Message-ID: <bf921997-fc9a-b1b9-78d9-7a7f85fe4608@xen.org> (raw)
In-Reply-To: <a484cc88-f41d-5d38-d098-4eda297569a1@suse.com>

Hi Jan,

On 05/11/2020 15:55, Jan Beulich wrote:
> This array can be large when many grant frames are permitted; avoid
> allocating it when it's not going to be used anyway. 

Given there are not many users of grant-table v2, would it make sense to 
avoid allocating the array until the guest start using grant-table v2?

Cheers,

-- 
Julien Grall


  parent reply	other threads:[~2020-12-02 18:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-05 15:55 [PATCH] gnttab: don't allocate status frame tracking array when "gnttab=max_ver:1" Jan Beulich
2020-11-20 12:50 ` Ping: " Jan Beulich
2020-12-02 18:31 ` Julien Grall [this message]
2020-12-04 10:02   ` Jan Beulich

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