From: Wei Yang <richard.weiyang@linux.alibaba.com>
To: David Hildenbrand <david@redhat.com>
Cc: linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org, linux-mm@kvack.org,
linux-hyperv@vger.kernel.org, xen-devel@lists.xenproject.org,
linux-acpi@vger.kernel.org, linux-nvdimm@lists.01.org,
linux-s390@vger.kernel.org,
"Andrew Morton" <akpm@linux-foundation.org>,
"Juergen Gross" <jgross@suse.com>,
"Andrew Morton" <akpmt@linux-foundation.org>,
"Michal Hocko" <mhocko@suse.com>,
"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Roger Pau Monné" <roger.pau@citrix.com>,
"Julien Grall" <julien@xen.org>,
"Pankaj Gupta" <pankaj.gupta.linux@gmail.com>,
"Baoquan He" <bhe@redhat.com>,
"Wei Yang" <richardw.yang@linux.intel.com>
Subject: Re: [PATCH v4 7/8] xen/balloon: try to merge system ram resources
Date: Wed, 16 Sep 2020 20:52:41 +0800 [thread overview]
Message-ID: <20200916125241.GA48127@L-31X9LVDL-1304.local> (raw)
In-Reply-To: <20200911103459.10306-8-david@redhat.com>
On Fri, Sep 11, 2020 at 12:34:58PM +0200, 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.
>
>Reviewed-by: Juergen Gross <jgross@suse.com>
>Cc: Andrew Morton <akpmt@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>
>Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Wei Yang <richard.weiyang@linux.alibaba.com>
>---
> 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 9f40a294d398d..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, MHP_NONE);
>+ rc = add_memory_resource(nid, resource, MEMHP_MERGE_RESOURCE);
> unlock_device_hotplug();
> mutex_lock(&balloon_mutex);
>
>--
>2.26.2
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2020-09-16 12:53 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-11 10:34 [PATCH v4 0/8] selective merging of system ram resources David Hildenbrand
2020-09-11 10:34 ` [PATCH v4 1/8] kernel/resource: make release_mem_region_adjustable() never fail David Hildenbrand
2020-09-22 6:07 ` [PATCH] kernel/resource: Fix use of ternary condition in release_mem_region_adjustable Nathan Chancellor
2020-09-22 6:22 ` David Hildenbrand
2020-10-09 9:24 ` Wei Yang
2020-09-11 10:34 ` [PATCH v4 2/8] kernel/resource: move and rename IORESOURCE_MEM_DRIVER_MANAGED David Hildenbrand
2020-09-11 10:34 ` [PATCH v4 3/8] mm/memory_hotplug: guard more declarations by CONFIG_MEMORY_HOTPLUG David Hildenbrand
2020-09-11 10:34 ` [PATCH v4 4/8] mm/memory_hotplug: prepare passing flags to add_memory() and friends David Hildenbrand
2020-09-11 10:34 ` [PATCH v4 5/8] mm/memory_hotplug: MEMHP_MERGE_RESOURCE to specify merging of System RAM resources David Hildenbrand
2020-09-15 2:43 ` Wei Yang
2020-09-15 7:25 ` David Hildenbrand
2020-09-16 12:51 ` Wei Yang
2020-09-11 10:34 ` [PATCH v4 6/8] virtio-mem: try to merge system ram resources David Hildenbrand
2020-09-16 12:52 ` Wei Yang
2020-09-11 10:34 ` [PATCH v4 7/8] xen/balloon: " David Hildenbrand
2020-09-16 12:52 ` Wei Yang [this message]
2020-09-11 10:34 ` [PATCH v4 8/8] hv_balloon: " David Hildenbrand
2020-09-16 12:52 ` Wei Yang
2020-09-16 7:30 ` [PATCH] kernel/resource: make iomem_resource implicit in release_mem_region_adjustable() David Hildenbrand
2020-09-16 10:02 ` Wei Yang
2020-09-16 10:03 ` David Hildenbrand
2020-09-16 12:10 ` Wei Yang
2020-09-16 12:16 ` David Hildenbrand
2020-09-16 12:40 ` Wei Yang
2020-09-17 8:38 ` Pankaj Gupta
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