linux-kernel - Re: [PATCH] fork: dup_mm: init vm stat counters under mmap

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Message-ID: <20140619071404.GA20390@esperanza>
Date:	Thu, 19 Jun 2014 11:14:04 +0400
From:	Vladimir Davydov <vdavydov@...allels.com>
To:	Oleg Nesterov <oleg@...hat.com>
CC:	<akpm@...ux-foundation.org>, <rientjes@...gle.com>, <cl@...ux.com>,
	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fork: dup_mm: init vm stat counters under mmap_sem

On Wed, Jun 18, 2014 at 05:22:09PM +0200, Oleg Nesterov wrote:
> But perhaps this deserves more cleanups, with or without this patch
> the initialization does not look consistent. dup_mmap() nullifies
> locked_vm/pinned_vm/mmap/map_count while mm_init() clears core_state/
> nr_ptes/rss_stat.

Agree. Will try to clean this up.

Thanks.
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