| Message ID | 20200908201012.44168-7-david@redhat.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | mm/memory_hotplug: selective merging of system ram resources | expand |
On 08.09.20 22:10, David Hildenbrand wrote: > Let's try to merge system ram resources we add, to minimize the number > of resources in /proc/iomem. We don't care about the boundaries of > individual chunks we added. > > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Michal Hocko <mhocko@suse.com> > Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> > Cc: Juergen Gross <jgross@suse.com> > Cc: Stefano Stabellini <sstabellini@kernel.org> > Cc: Roger Pau Monné <roger.pau@citrix.com> > Cc: Julien Grall <julien@xen.org> > Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com> > Cc: Baoquan He <bhe@redhat.com> > Cc: Wei Yang <richardw.yang@linux.intel.com> > Signed-off-by: David Hildenbrand <david@redhat.com> Reviewed-by: Juergen Gross <jgross@suse.com> Juergen > --- > drivers/xen/balloon.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c > index 7bac38764513d..b57b2067ecbfb 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, 0); > + rc = add_memory_resource(nid, resource, MEMHP_MERGE_RESOURCE); > unlock_device_hotplug(); > mutex_lock(&balloon_mutex); > >
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 7bac38764513d..b57b2067ecbfb 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, 0); + rc = add_memory_resource(nid, resource, MEMHP_MERGE_RESOURCE); unlock_device_hotplug(); mutex_lock(&balloon_mutex);
Let's try to merge system ram resources we add, to minimize the number of resources in /proc/iomem. We don't care about the boundaries of individual chunks we added. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Juergen Gross <jgross@suse.com> Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Roger Pau Monné <roger.pau@citrix.com> Cc: Julien Grall <julien@xen.org> Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com> Cc: Baoquan He <bhe@redhat.com> Cc: Wei Yang <richardw.yang@linux.intel.com> Signed-off-by: David Hildenbrand <david@redhat.com> --- drivers/xen/balloon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)