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SubjectRe: [PATCH v2 6/7] xen/balloon: try to merge system ram resources
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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);
>
>

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