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Date: Wed, 25 Aug 2021 11:09:22 -0400 From: "Theodore Ts'o" <tytso@....edu> To: Alex Sierra <alex.sierra@....com> Cc: akpm@...ux-foundation.org, 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, jgg@...dia.com, jglisse@...hat.com Subject: Re: [PATCH v1 01/14] ext4/xfs: add page refcount helper On Tue, Aug 24, 2021 at 10:48:15PM -0500, Alex Sierra wrote: > From: Ralph Campbell <rcampbell@...dia.com> > > There are several places where ZONE_DEVICE struct pages assume a reference > count == 1 means the page is idle and free. Instead of open coding this, > add a helper function to hide this detail. > > Signed-off-by: Ralph Campbell <rcampbell@...dia.com> > Signed-off-by: Alex Sierra <alex.sierra@....com> > Reviewed-by: Christoph Hellwig <hch@....de> Acked-by: Theodore Ts'o <tytso@....edu>
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