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dkim=pass header.d=amd.com header.s=selector1 header.b=v5E8JyuF; dmarc=pass (policy=quarantine) header.from=amd.com; spf=pass (imf02.hostedemail.com: domain of Felix.Kuehling@amd.com designates 40.107.244.67 as permitted sender) smtp.mailfrom=Felix.Kuehling@amd.com X-Stat-Signature: qbzso4ousxe8mu3g4m4gg7k7b4dm6ipj X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 989F64202A07 X-HE-Tag: 1623684361-219185 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Am 2021-06-09 um 3:23 p.m. schrieb Matthew Wilcox: > On Mon, Jun 07, 2021 at 03:42:19PM -0500, Alex Sierra wrote: >> +++ b/include/linux/dax.h >> @@ -243,6 +243,16 @@ static inline bool dax_mapping(struct address_spa= ce *mapping) >> return mapping->host && IS_DAX(mapping->host); >> } >> =20 >> +static inline bool dax_layout_is_idle_page(struct page *page) >> +{ >> + return page_ref_count(page) =3D=3D 1; >> +} > We already have something called an idle page, and that's quite a > different thing from this. How about dax_page_unused() (it's a use > count, so once it's got down to its minimum value, it's unused)? > Hi Matthew, Thank you very much for your feedback. This patch looks straight-forward enough, but do we need the filesystem maintainers to review this as well? I guess we should CC the linux-ext4 and linux-xfs mailing lists in the next revision. Hi Ralph, Are you OK if we update your patch with this suggestion? Thanks, =C2=A0 Felix