From: Wei Liu <wei.liu2@citrix.com>
To: Sergey Dyasli <sergey.dyasli@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
xen-devel@lists.xen.org, Julien Grall <julien.grall@arm.com>,
Jan Beulich <jbeulich@suse.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH v3] mm/page_alloc: make bootscrub happen in idle-loop
Date: Wed, 7 Nov 2018 12:17:14 +0000 [thread overview]
Message-ID: <20181107121714.q65fte6newwxcx2t@zion.uk.xensource.com> (raw)
In-Reply-To: <20181107111149.14842-1-sergey.dyasli@citrix.com>
On Wed, Nov 07, 2018 at 11:11:49AM +0000, Sergey Dyasli wrote:
> Scrubbing RAM during boot may take a long time on machines with lots
> of RAM. Add 'idle' option to bootscrub which marks all pages dirty
> initially so they will eventually be scrubbed in idle-loop on every
> online CPU.
>
> It's guaranteed that the allocator will return scrubbed pages by doing
> eager scrubbing during allocation (unless MEMF_no_scrub was provided).
>
> Use the new 'idle' option as the default one.
>
> Signed-off-by: Sergey Dyasli <sergey.dyasli@citrix.com>
> Reviewed-by: Jan Beulich <jbeulich@suse.com>
> ---
> v2 --> v3:
> - Removed "= 0" from enum bootscrub_mode
> - Removed num_online_nodes() from printk()
> - Added Reviewed-by
I think your patch (v2?) is already committed.
Wei.
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next prev parent reply other threads:[~2018-11-07 12:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-07 11:11 [PATCH v3] mm/page_alloc: make bootscrub happen in idle-loop Sergey Dyasli
2018-11-07 12:17 ` Wei Liu [this message]
2018-11-07 16:36 ` Sergey Dyasli
2018-11-07 16:42 ` Wei Liu
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