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Wysocki" , Baoquan He , Wei Yang Subject: [PATCH v1 1/5] drivers/base/memory: rename MMOP_ONLINE_KEEP to MMOP_ONLINE Date: Wed, 11 Mar 2020 13:30:22 +0100 Message-Id: <20200311123026.16071-2-david@redhat.com> In-Reply-To: <20200311123026.16071-1-david@redhat.com> References: <20200311123026.16071-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The name is misleading. Let's just name it like the online_type name we expose to user space ("online"). Add some documentation to the types. Cc: Greg Kroah-Hartman Cc: Andrew Morton Cc: Michal Hocko Cc: Oscar Salvador Cc: "Rafael J. Wysocki" Cc: Baoquan He Cc: Wei Yang Signed-off-by: David Hildenbrand --- drivers/base/memory.c | 9 +++++---- include/linux/memory_hotplug.h | 6 +++++- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 6448c9ece2cb..8c5ce42c0fc3 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -216,7 +216,7 @@ static int memory_subsys_online(struct device *dev) * attribute and need to set the online_type. */ if (mem->online_type < 0) - mem->online_type =3D MMOP_ONLINE_KEEP; + mem->online_type =3D MMOP_ONLINE; =20 ret =3D memory_block_change_state(mem, MEM_ONLINE, MEM_OFFLINE); =20 @@ -251,7 +251,7 @@ static ssize_t state_store(struct device *dev, struct= device_attribute *attr, else if (sysfs_streq(buf, "online_movable")) online_type =3D MMOP_ONLINE_MOVABLE; else if (sysfs_streq(buf, "online")) - online_type =3D MMOP_ONLINE_KEEP; + online_type =3D MMOP_ONLINE; else if (sysfs_streq(buf, "offline")) online_type =3D MMOP_OFFLINE; else { @@ -262,7 +262,7 @@ static ssize_t state_store(struct device *dev, struct= device_attribute *attr, switch (online_type) { case MMOP_ONLINE_KERNEL: case MMOP_ONLINE_MOVABLE: - case MMOP_ONLINE_KEEP: + case MMOP_ONLINE: /* mem->online_type is protected by device_hotplug_lock */ mem->online_type =3D online_type; ret =3D device_online(&mem->dev); @@ -342,7 +342,8 @@ static ssize_t valid_zones_show(struct device *dev, } =20 nid =3D mem->nid; - default_zone =3D zone_for_pfn_range(MMOP_ONLINE_KEEP, nid, start_pfn, n= r_pages); + default_zone =3D zone_for_pfn_range(MMOP_ONLINE, nid, start_pfn, + nr_pages); strcat(buf, default_zone->name); =20 print_allowed_zone(buf, nid, start_pfn, nr_pages, MMOP_ONLINE_KERNEL, diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplu= g.h index f4d59155f3d4..261dbf010d5d 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -47,9 +47,13 @@ enum { =20 /* Types for control the zone type of onlined and offlined memory */ enum { + /* Offline the memory. */ MMOP_OFFLINE =3D -1, - MMOP_ONLINE_KEEP, + /* Online the memory. Zone depends, see default_zone_for_pfn(). */ + MMOP_ONLINE, + /* Online the memory to ZONE_NORMAL. */ MMOP_ONLINE_KERNEL, + /* Online the memory to ZONE_MOVABLE. */ MMOP_ONLINE_MOVABLE, }; =20 --=20 2.24.1