From: Miaohe Lin <linmiaohe@huawei.com>
To: Alistair Popple <apopple@nvidia.com>
Cc: <akpm@linux-foundation.org>, <willy@infradead.org>,
<vbabka@suse.cz>, <dhowells@redhat.com>, <neilb@suse.de>,
<david@redhat.com>, <surenb@google.com>, <minchan@kernel.org>,
<peterx@redhat.com>, <sfr@canb.auug.org.au>,
<rcampbell@nvidia.com>, <naoya.horiguchi@nec.com>,
<linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] mm/swapfile: unuse_pte can map random data if swap read fails
Date: Tue, 19 Apr 2022 19:26:43 +0800 [thread overview]
Message-ID: <e320fb01-7d53-668e-53b5-463312ae0909@huawei.com> (raw)
In-Reply-To: <87r15tjy76.fsf@nvdebian.thelocal>
On 2022/4/19 15:53, Alistair Popple wrote:
> Also in madvise_free_pte_range() you could just remove the swap entry as it's no
> longer needed.
>
This swap entry will be removed in madvise_dontneed_single_vma().
And in madvise_free_pte_range(), we may need to keep it as same as
hwpoison entry. Or am I supposed to remove it even if hwpoison entry
is reused later?
Thanks!
> Alistair Popple <apopple@nvidia.com> writes:
>
>> Miaohe Lin <linmiaohe@huawei.com> writes:
>>
...
next prev parent reply other threads:[~2022-04-19 11:26 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-16 3:05 [PATCH v2] mm/swapfile: unuse_pte can map random data if swap read fails Miaohe Lin
2022-04-19 3:51 ` Alistair Popple
2022-04-19 7:29 ` Miaohe Lin
2022-04-19 7:39 ` David Hildenbrand
2022-04-19 8:08 ` Alistair Popple
2022-04-19 11:14 ` David Hildenbrand
2022-04-19 16:16 ` Peter Xu
2022-04-19 11:14 ` Miaohe Lin
2022-04-19 7:53 ` Alistair Popple
2022-04-19 11:26 ` Miaohe Lin [this message]
2022-04-20 0:25 ` Alistair Popple
2022-04-20 6:15 ` Miaohe Lin
2022-04-20 7:07 ` David Hildenbrand
2022-04-20 8:37 ` Miaohe Lin
2022-04-19 7:37 ` David Hildenbrand
2022-04-19 11:21 ` Miaohe Lin
2022-04-19 11:46 ` David Hildenbrand
2022-04-19 12:00 ` Miaohe Lin
2022-04-19 12:12 ` David Hildenbrand
2022-04-19 12:45 ` Miaohe Lin
2022-04-19 21:36 ` Peter Xu
2022-04-20 5:56 ` [PATCH] mm/swap: Fix lost swap bits in unuse_pte() kernel test robot
2022-04-20 6:23 ` Miaohe Lin
2022-04-20 6:23 ` Miaohe Lin
2022-04-20 6:39 ` [kbuild-all] " Philip Li
2022-04-20 6:52 ` Miaohe Lin
2022-04-20 6:52 ` Miaohe Lin
2022-04-20 6:48 ` [kbuild-all] " Chen, Rong A
2022-04-20 6:56 ` Miaohe Lin
2022-04-20 6:56 ` Miaohe Lin
2022-04-20 6:21 ` [PATCH v2] mm/swapfile: unuse_pte can map random data if swap read fails Miaohe Lin
2022-04-20 13:32 ` Peter Xu
2022-04-21 1:50 ` Miaohe Lin
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