From: Matthew Wilcox <willy@infradead.org>
To: qiwuchen55@gmail.com
Cc: akpm@linux-foundation.org, mhocko@suse.com, linux-mm@kvack.org,
chenqiwu <chenqiwu@xiaomi.com>
Subject: Re: [PATCH 2/2] mm/memory: put refcount of normal page in zap_pte_range()
Date: Sun, 19 Apr 2020 03:30:38 -0700 [thread overview]
Message-ID: <20200419103038.GW5820@bombadil.infradead.org> (raw)
In-Reply-To: <1587267017-25310-2-git-send-email-qiwuchen55@gmail.com>
On Sun, Apr 19, 2020 at 11:30:17AM +0800, qiwuchen55@gmail.com wrote:
> From: chenqiwu <chenqiwu@xiaomi.com>
>
> As discussed in patch[1], there is an imbalnace of normal
> page refcount between copy_one_pte() and zap_pte_range().
> This patch put the refcount of normal page back in
> zap_pte_range() to fix the imbalance.
I think you misunderstood the discussion. NAK. Did you test this?
next prev parent reply other threads:[~2020-04-19 10:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-19 3:30 [PATCH 1/2] mm/memory: remove redundant pte_devmap case for copy_one_pte() qiwuchen55
2020-04-19 3:30 ` [PATCH 2/2] mm/memory: put refcount of normal page in zap_pte_range() qiwuchen55
2020-04-19 10:30 ` Matthew Wilcox [this message]
2020-04-19 10:26 ` [PATCH 1/2] mm/memory: remove redundant pte_devmap case for copy_one_pte() Matthew Wilcox
2020-04-20 7:54 ` Michal Hocko
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