From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH RFC 6/6] PM / Hibernate: exclude all PageOffline() pages Date: Thu, 15 Nov 2018 08:48:10 +0100 Message-ID: <20181115074810.GA9055@amd> References: <20181114211704.6381-1-david@redhat.com> <20181114211704.6381-7-david@redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="jRHKVT23PllUwdXP" Return-path: Content-Disposition: inline In-Reply-To: <20181114211704.6381-7-david@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: David Hildenbrand Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, devel@linuxdriverproject.org, linux-fsdevel@vger.kernel.org, linux-pm@vger.kernel.org, xen-devel@lists.xenproject.org, "Rafael J. Wysocki" , Len Brown , Andrew Morton , Matthew Wilcox , Michal Hocko , "Michael S. Tsirkin" List-Id: linux-pm@vger.kernel.org --jRHKVT23PllUwdXP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed 2018-11-14 22:17:04, David Hildenbrand wrote: > The content of pages that are marked PG_offline is not of interest > (e.g. inflated by a balloon driver), let's skip these pages. >=20 > Cc: "Rafael J. Wysocki" Acked-by: Pavel Machek > diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c > index b0308a2c6000..01db1d13481a 100644 > --- a/kernel/power/snapshot.c > +++ b/kernel/power/snapshot.c > @@ -1222,7 +1222,7 @@ static struct page *saveable_highmem_page(struct zo= ne *zone, unsigned long pfn) > BUG_ON(!PageHighMem(page)); > =20 > if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page) || > - PageReserved(page)) > + PageReserved(page) || PageOffline(page)) > return NULL; > =20 > if (page_is_guard(page)) > @@ -1286,6 +1286,9 @@ static struct page *saveable_page(struct zone *zone= , unsigned long pfn) > if (swsusp_page_is_forbidden(page) || swsusp_page_is_free(page)) > return NULL; > =20 > + if (PageOffline(page)) > + return NULL; > + > if (PageReserved(page) > && (!kernel_page_present(page) || pfn_is_nosave(pfn))) > return NULL; --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --jRHKVT23PllUwdXP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlvtJLoACgkQMOfwapXb+vIKwQCgqMCGJ4BEWmMsp5gihD0MR/cx lFwAnAqKSOIHgjFwhl+uKuaItXeOXj2x =TTZ/ -----END PGP SIGNATURE----- --jRHKVT23PllUwdXP--