David Hildenbrand
2021-Jan-26 11:58 UTC
[PATCH v1] mm/memory_hotplug: MEMHP_MERGE_RESOURCE -> MHP_MERGE_RESOURCE
Let's make "MEMHP_MERGE_RESOURCE" consistent with
"MHP_NONE", "mhp_t" and
"mhp_flags". As discussed recently [1], "mhp" is our
internal
acronym for memory hotplug now.
[1] https://lore.kernel.org/linux-mm/c37de2d0-28a1-4f7d-f944-cfd7d81c334d at
redhat.com/
Cc: Andrew Morton <akpm at linux-foundation.org>
Cc: "K. Y. Srinivasan" <kys at microsoft.com>
Cc: Haiyang Zhang <haiyangz at microsoft.com>
Cc: Stephen Hemminger <sthemmin at microsoft.com>
Cc: Wei Liu <wei.liu at kernel.org>
Cc: "Michael S. Tsirkin" <mst at redhat.com>
Cc: Jason Wang <jasowang at redhat.com>
Cc: Boris Ostrovsky <boris.ostrovsky at oracle.com>
Cc: Juergen Gross <jgross at suse.com>
Cc: Stefano Stabellini <sstabellini at kernel.org>
Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
Cc: Michal Hocko <mhocko at kernel.org>
Cc: Oscar Salvador <osalvador at suse.de>
Cc: Anshuman Khandual <anshuman.khandual at arm.com>
Cc: Wei Yang <richard.weiyang at linux.alibaba.com>
Cc: linux-hyperv at vger.kernel.org
Cc: virtualization at lists.linux-foundation.org
Cc: xen-devel at lists.xenproject.org
Signed-off-by: David Hildenbrand <david at redhat.com>
---
drivers/hv/hv_balloon.c | 2 +-
drivers/virtio/virtio_mem.c | 2 +-
drivers/xen/balloon.c | 2 +-
include/linux/memory_hotplug.h | 2 +-
mm/memory_hotplug.c | 2 +-
5 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 8c471823a5af..2f776d78e3c1 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -726,7 +726,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned
long size,
nid = memory_add_physaddr_to_nid(PFN_PHYS(start_pfn));
ret = add_memory(nid, PFN_PHYS((start_pfn)),
- (HA_CHUNK << PAGE_SHIFT), MEMHP_MERGE_RESOURCE);
+ (HA_CHUNK << PAGE_SHIFT), MHP_MERGE_RESOURCE);
if (ret) {
pr_err("hot_add memory failed error is %d\n", ret);
diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index 85a272c9978e..148bea39b09a 100644
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -623,7 +623,7 @@ static int virtio_mem_add_memory(struct virtio_mem *vm,
uint64_t addr,
/* Memory might get onlined immediately. */
atomic64_add(size, &vm->offline_size);
rc = add_memory_driver_managed(vm->nid, addr, size, vm->resource_name,
- MEMHP_MERGE_RESOURCE);
+ MHP_MERGE_RESOURCE);
if (rc) {
atomic64_sub(size, &vm->offline_size);
dev_warn(&vm->vdev->dev, "adding memory failed: %d\n",
rc);
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index b57b2067ecbf..671c71245a7b 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -331,7 +331,7 @@ static enum bp_state reserve_additional_memory(void)
mutex_unlock(&balloon_mutex);
/* add_memory_resource() requires the device_hotplug lock */
lock_device_hotplug();
- rc = add_memory_resource(nid, resource, MEMHP_MERGE_RESOURCE);
+ rc = add_memory_resource(nid, resource, MHP_MERGE_RESOURCE);
unlock_device_hotplug();
mutex_lock(&balloon_mutex);
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 3d99de0db2dd..4b834f5d032e 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -53,7 +53,7 @@ typedef int __bitwise mhp_t;
* with this flag set, the resource pointer must no longer be used as it
* might be stale, or the resource might have changed.
*/
-#define MEMHP_MERGE_RESOURCE ((__force mhp_t)BIT(0))
+#define MHP_MERGE_RESOURCE ((__force mhp_t)BIT(0))
/*
* Extended parameters for memory hotplug:
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 710e469fb3a1..ae497e3ff77c 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1153,7 +1153,7 @@ int __ref add_memory_resource(int nid, struct resource
*res, mhp_t mhp_flags)
* In case we're allowed to merge the resource, flag it and trigger
* merging now that adding succeeded.
*/
- if (mhp_flags & MEMHP_MERGE_RESOURCE)
+ if (mhp_flags & MHP_MERGE_RESOURCE)
merge_system_ram_resource(res);
/* online pages if requested */
--
2.29.2
Michael S. Tsirkin
2021-Jan-26 14:41 UTC
[PATCH v1] mm/memory_hotplug: MEMHP_MERGE_RESOURCE -> MHP_MERGE_RESOURCE
On Tue, Jan 26, 2021 at 12:58:29PM +0100, David Hildenbrand wrote:> Let's make "MEMHP_MERGE_RESOURCE" consistent with "MHP_NONE", "mhp_t" and > "mhp_flags". As discussed recently [1], "mhp" is our internal > acronym for memory hotplug now. > > [1] https://lore.kernel.org/linux-mm/c37de2d0-28a1-4f7d-f944-cfd7d81c334d at redhat.com/ > > Cc: Andrew Morton <akpm at linux-foundation.org> > Cc: "K. Y. Srinivasan" <kys at microsoft.com> > Cc: Haiyang Zhang <haiyangz at microsoft.com> > Cc: Stephen Hemminger <sthemmin at microsoft.com> > Cc: Wei Liu <wei.liu at kernel.org> > Cc: "Michael S. Tsirkin" <mst at redhat.com> > Cc: Jason Wang <jasowang at redhat.com> > Cc: Boris Ostrovsky <boris.ostrovsky at oracle.com> > Cc: Juergen Gross <jgross at suse.com> > Cc: Stefano Stabellini <sstabellini at kernel.org> > Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com> > Cc: Michal Hocko <mhocko at kernel.org> > Cc: Oscar Salvador <osalvador at suse.de> > Cc: Anshuman Khandual <anshuman.khandual at arm.com> > Cc: Wei Yang <richard.weiyang at linux.alibaba.com> > Cc: linux-hyperv at vger.kernel.org > Cc: virtualization at lists.linux-foundation.org > Cc: xen-devel at lists.xenproject.org > Signed-off-by: David Hildenbrand <david at redhat.com>Acked-by: Michael S. Tsirkin <mst at redhat.com>> --- > drivers/hv/hv_balloon.c | 2 +- > drivers/virtio/virtio_mem.c | 2 +- > drivers/xen/balloon.c | 2 +- > include/linux/memory_hotplug.h | 2 +- > mm/memory_hotplug.c | 2 +- > 5 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c > index 8c471823a5af..2f776d78e3c1 100644 > --- a/drivers/hv/hv_balloon.c > +++ b/drivers/hv/hv_balloon.c > @@ -726,7 +726,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size, > > nid = memory_add_physaddr_to_nid(PFN_PHYS(start_pfn)); > ret = add_memory(nid, PFN_PHYS((start_pfn)), > - (HA_CHUNK << PAGE_SHIFT), MEMHP_MERGE_RESOURCE); > + (HA_CHUNK << PAGE_SHIFT), MHP_MERGE_RESOURCE); > > if (ret) { > pr_err("hot_add memory failed error is %d\n", ret); > diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c > index 85a272c9978e..148bea39b09a 100644 > --- a/drivers/virtio/virtio_mem.c > +++ b/drivers/virtio/virtio_mem.c > @@ -623,7 +623,7 @@ static int virtio_mem_add_memory(struct virtio_mem *vm, uint64_t addr, > /* Memory might get onlined immediately. */ > atomic64_add(size, &vm->offline_size); > rc = add_memory_driver_managed(vm->nid, addr, size, vm->resource_name, > - MEMHP_MERGE_RESOURCE); > + MHP_MERGE_RESOURCE); > if (rc) { > atomic64_sub(size, &vm->offline_size); > dev_warn(&vm->vdev->dev, "adding memory failed: %d\n", rc); > diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c > index b57b2067ecbf..671c71245a7b 100644 > --- a/drivers/xen/balloon.c > +++ b/drivers/xen/balloon.c > @@ -331,7 +331,7 @@ static enum bp_state reserve_additional_memory(void) > mutex_unlock(&balloon_mutex); > /* add_memory_resource() requires the device_hotplug lock */ > lock_device_hotplug(); > - rc = add_memory_resource(nid, resource, MEMHP_MERGE_RESOURCE); > + rc = add_memory_resource(nid, resource, MHP_MERGE_RESOURCE); > unlock_device_hotplug(); > mutex_lock(&balloon_mutex); > > diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h > index 3d99de0db2dd..4b834f5d032e 100644 > --- a/include/linux/memory_hotplug.h > +++ b/include/linux/memory_hotplug.h > @@ -53,7 +53,7 @@ typedef int __bitwise mhp_t; > * with this flag set, the resource pointer must no longer be used as it > * might be stale, or the resource might have changed. > */ > -#define MEMHP_MERGE_RESOURCE ((__force mhp_t)BIT(0)) > +#define MHP_MERGE_RESOURCE ((__force mhp_t)BIT(0)) > > /* > * Extended parameters for memory hotplug: > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c > index 710e469fb3a1..ae497e3ff77c 100644 > --- a/mm/memory_hotplug.c > +++ b/mm/memory_hotplug.c > @@ -1153,7 +1153,7 @@ int __ref add_memory_resource(int nid, struct resource *res, mhp_t mhp_flags) > * In case we're allowed to merge the resource, flag it and trigger > * merging now that adding succeeded. > */ > - if (mhp_flags & MEMHP_MERGE_RESOURCE) > + if (mhp_flags & MHP_MERGE_RESOURCE) > merge_system_ram_resource(res); > > /* online pages if requested */ > -- > 2.29.2