linux-kernel - Re: [PATCH] mm: /proc/pid/clear_refs: no need to clear VM_SOFTDIRTY in clear_soft_dirty

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Message-ID: <20151216175134.GB2224@uranus>
Date:	Wed, 16 Dec 2015 20:51:34 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: /proc/pid/clear_refs: no need to clear VM_SOFTDIRTY
 in clear_soft_dirty_pmd()

On Wed, Dec 16, 2015 at 06:26:32PM +0100, Oleg Nesterov wrote:
> clear_soft_dirty_pmd() is called by clear_refs_write(CLEAR_REFS_SOFT_DIRTY),
> VM_SOFTDIRTY was already cleared before walk_page_range().
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>
Acked-by: Cyrill Gorcunov <gorcunov@...nvz.org>

Thank you!
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