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Date: Tue, 28 Jun 2022 12:42:44 +0200 From: David Hildenbrand <david@...hat.com> To: Alex Sierra <alex.sierra@....com>, jgg@...dia.com Cc: Felix.Kuehling@....com, linux-mm@...ck.org, rcampbell@...dia.com, linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, hch@....de, jglisse@...hat.com, apopple@...dia.com, willy@...radead.org, akpm@...ux-foundation.org Subject: Re: [PATCH v6 02/14] mm: handling Non-LRU pages returned by vm_normal_pages On 28.06.22 02:14, Alex Sierra wrote: > With DEVICE_COHERENT, we'll soon have vm_normal_pages() return > device-managed anonymous pages that are not LRU pages. Although they > behave like normal pages for purposes of mapping in CPU page, and for > COW. They do not support LRU lists, NUMA migration or THP. > > We also introduced a FOLL_LRU flag that adds the same behaviour to > follow_page and related APIs, to allow callers to specify that they > expect to put pages on an LRU list. > > Signed-off-by: Alex Sierra <alex.sierra@....com> > Acked-by: Felix Kuehling <Felix.Kuehling@....com> > Reviewed-by: Alistair Popple <apopple@...dia.com> > --- I think my review feedback regarding FOLL_LRU has been ignored. -- Thanks, David / dhildenb
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