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Date: Tue, 19 Apr 2022 19:26:43 +0800 From: Miaohe Lin <linmiaohe@...wei.com> To: Alistair Popple <apopple@...dia.com> CC: <akpm@...ux-foundation.org>, <willy@...radead.org>, <vbabka@...e.cz>, <dhowells@...hat.com>, <neilb@...e.de>, <david@...hat.com>, <surenb@...gle.com>, <minchan@...nel.org>, <peterx@...hat.com>, <sfr@...b.auug.org.au>, <rcampbell@...dia.com>, <naoya.horiguchi@....com>, <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v2] mm/swapfile: unuse_pte can map random data if swap read fails 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@...dia.com> writes: > >> Miaohe Lin <linmiaohe@...wei.com> writes: >> ...
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