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From: Fabiano Rosas <farosas@suse.de>
To: Yuan Liu <yuan1.liu@intel.com>, peterx@redhat.com
Cc: qemu-devel@nongnu.org, hao.xiang@bytedance.com,
	bryan.zhang@bytedance.com, yuan1.liu@intel.com,
	nanhai.zou@intel.com
Subject: Re: [PATCH 1/1] migration/multifd: solve zero page causing multiple page faults
Date: Tue, 02 Apr 2024 09:57:49 -0300	[thread overview]
Message-ID: <874jcjdir6.fsf@suse.de> (raw)
In-Reply-To: <20240401154110.2028453-2-yuan1.liu@intel.com>

Yuan Liu <yuan1.liu@intel.com> writes:

> Implemented recvbitmap tracking of received pages in multifd.
>
> If the zero page appears for the first time in the recvbitmap, this
> page is not checked and set.
>
> If the zero page has already appeared in the recvbitmap, there is no
> need to check the data but directly set the data to 0, because it is
> unlikely that the zero page will be migrated multiple times.
>
> Signed-off-by: Yuan Liu <yuan1.liu@intel.com>

Reviewed-by: Fabiano Rosas <farosas@suse.de>


  reply	other threads:[~2024-04-02 12:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-01 15:41 [PATCH 0/1] Solve zero page causing multiple page faults Yuan Liu
2024-04-01 15:41 ` [PATCH 1/1] migration/multifd: solve " Yuan Liu
2024-04-02 12:57   ` Fabiano Rosas [this message]
2024-04-03 19:41     ` Peter Xu
2024-04-02  7:43 ` [PATCH 0/1] Solve " Liu, Yuan1

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