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From: Muchun Song <songmuchun@bytedance.com>
To: Miaohe Lin <linmiaohe@huawei.com>
Cc: akpm@linux-foundation.org, anshuman.khandual@arm.com,
	david@redhat.com, osalvador@suse.de, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm/memremap: fix missing call to untrack_pfn() in pagemap_range()
Date: Tue, 31 May 2022 23:30:36 +0800	[thread overview]
Message-ID: <YpY0nEL2c2oHMqqi@FVFYT0MHHV2J.googleapis.com> (raw)
In-Reply-To: <20220531122643.25249-1-linmiaohe@huawei.com>

On Tue, May 31, 2022 at 08:26:43PM +0800, Miaohe Lin wrote:
> We forget to call untrack_pfn() to pair with track_pfn_remap() when range
> is not allowed to hotplug. Fix it by jump err_kasan.
> 
> Fixes: bca3feaa0764 ("mm/memory_hotplug: prevalidate the address range being added with platform")
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>

Good catch.

Acked-by: Muchun Song <songmuchun@bytedance.com>

Thanks.


      parent reply	other threads:[~2022-05-31 15:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-31 12:26 Miaohe Lin
2022-05-31 12:48 ` David Hildenbrand
2022-05-31 15:30 ` Muchun Song [this message]

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