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2020 Aug 21
8
[PATCH v1 0/5] mm/memory_hotplug: selective merging of system ram resources
This is the follow-up of "[PATCH RFCv1 0/5] mm/memory_hotplug: selective
merging of memory resources" [1]
Some add_memory*() users add memory in small, contiguous memory blocks.
Examples include virtio-mem, hyper-v balloon, and the XEN balloon.
This can quickly result in a lot of memory resources, whereby the actual
resource boundaries are not of interest (e.g., it might be relevant
2020 Sep 02
1
[PATCH v1 4/5] xen/balloon: try to merge system ram resources
...t;
> Cc: Stefano Stabellini <sstabellini at kernel.org>
> Cc: Roger Pau Monn? <roger.pau at citrix.com>
> Cc: Julien Grall <julien at xen.org>
> Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
> Cc: Baoquan He <bhe at redhat.com>
> Cc: Wei Yang <richardw.yang at linux.intel.com>
> Signed-off-by: David Hildenbrand <david at redhat.com>
> ---
> drivers/xen/balloon.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
> index 37ffccda8bb87..5ec73f752b8a7 100644
&g...
2020 Sep 09
1
[PATCH v2 2/7] kernel/resource: move and rename IORESOURCE_MEM_DRIVER_MANAGED
...at intel.com>
> Cc: Jason Gunthorpe <jgg at ziepe.ca>
> Cc: Kees Cook <keescook at chromium.org>
> Cc: Ard Biesheuvel <ardb at kernel.org>
> Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
> Cc: Baoquan He <bhe at redhat.com>
> Cc: Wei Yang <richardw.yang at linux.intel.com>
> Cc: Eric Biederman <ebiederm at xmission.com>
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Cc: kexec at lists.infradead.org
> Signed-off-by: David Hildenbrand <david at redh...
2020 Sep 08
14
[PATCH v2 0/7] mm/memory_hotplug: selective merging of system ram resources
Some add_memory*() users add memory in small, contiguous memory blocks.
Examples include virtio-mem, hyper-v balloon, and the XEN balloon.
This can quickly result in a lot of memory resources, whereby the actual
resource boundaries are not of interest (e.g., it might be relevant for
DIMMs, exposed via /proc/iomem to user space). We really want to merge
added resources in this scenario where
2020 Sep 08
14
[PATCH v2 0/7] mm/memory_hotplug: selective merging of system ram resources
Some add_memory*() users add memory in small, contiguous memory blocks.
Examples include virtio-mem, hyper-v balloon, and the XEN balloon.
This can quickly result in a lot of memory resources, whereby the actual
resource boundaries are not of interest (e.g., it might be relevant for
DIMMs, exposed via /proc/iomem to user space). We really want to merge
added resources in this scenario where
2020 Sep 11
13
[PATCH v4 0/8] selective merging of system ram resources
Some add_memory*() users add memory in small, contiguous memory blocks.
Examples include virtio-mem, hyper-v balloon, and the XEN balloon.
This can quickly result in a lot of memory resources, whereby the actual
resource boundaries are not of interest (e.g., it might be relevant for
DIMMs, exposed via /proc/iomem to user space). We really want to merge
added resources in this scenario where
2020 Sep 11
13
[PATCH v4 0/8] selective merging of system ram resources
Some add_memory*() users add memory in small, contiguous memory blocks.
Examples include virtio-mem, hyper-v balloon, and the XEN balloon.
This can quickly result in a lot of memory resources, whereby the actual
resource boundaries are not of interest (e.g., it might be relevant for
DIMMs, exposed via /proc/iomem to user space). We really want to merge
added resources in this scenario where
2020 Sep 10
9
[PATCH v3 0/7] mm/memory_hotplug: selective merging of system ram resources
Some add_memory*() users add memory in small, contiguous memory blocks.
Examples include virtio-mem, hyper-v balloon, and the XEN balloon.
This can quickly result in a lot of memory resources, whereby the actual
resource boundaries are not of interest (e.g., it might be relevant for
DIMMs, exposed via /proc/iomem to user space). We really want to merge
added resources in this scenario where
2020 Aug 21
0
[PATCH v1 4/5] xen/balloon: try to merge system ram resources
...Gross <jgross at suse.com>
Cc: Stefano Stabellini <sstabellini at kernel.org>
Cc: Roger Pau Monn? <roger.pau at citrix.com>
Cc: Julien Grall <julien at xen.org>
Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
Cc: Baoquan He <bhe at redhat.com>
Cc: Wei Yang <richardw.yang at linux.intel.com>
Signed-off-by: David Hildenbrand <david at redhat.com>
---
drivers/xen/balloon.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 37ffccda8bb87..5ec73f752b8a7 100644
--- a/drivers/xen/balloon.c
+++ b/drive...
2020 Sep 08
0
[PATCH v1 5/5] hv_balloon: try to merge system ram resources
...g Zhang <haiyangz at microsoft.com>
>> Cc: Stephen Hemminger <sthemmin at microsoft.com>
>> Cc: Wei Liu <wei.liu at kernel.org>
>> Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
>> Cc: Baoquan He <bhe at redhat.com>
>> Cc: Wei Yang <richardw.yang at linux.intel.com>
>> Signed-off-by: David Hildenbrand <david at redhat.com>
>> ---
>> drivers/hv/hv_balloon.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
>> index 32e3bc0a...
2020 Sep 08
0
[PATCH v2 6/7] xen/balloon: try to merge system ram resources
...Gross <jgross at suse.com>
Cc: Stefano Stabellini <sstabellini at kernel.org>
Cc: Roger Pau Monn? <roger.pau at citrix.com>
Cc: Julien Grall <julien at xen.org>
Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
Cc: Baoquan He <bhe at redhat.com>
Cc: Wei Yang <richardw.yang at linux.intel.com>
Signed-off-by: David Hildenbrand <david at redhat.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 7bac38764513d..b57b2067ecbfb 100644
--- a/drivers/xen/balloon.c...
2020 Sep 16
0
[PATCH] kernel/resource: make iomem_resource implicit in release_mem_region_adjustable()
...ents. Seems to be an issue on your side because all patches arrived
on linux-mm (see
https://lore.kernel.org/linux-mm/20200911103459.10306-1-david at redhat.com/)
You can find patch #4 at
https://lore.kernel.org/linux-mm/20200911103459.10306-5-david at redhat.com/
(which has CC "Wei Yang <richardw.yang at linux.intel.com>")
--
Thanks,
David / dhildenb
2020 Sep 08
0
[PATCH v2 2/7] kernel/resource: move and rename IORESOURCE_MEM_DRIVER_MANAGED
...an Williams <dan.j.williams at intel.com>
Cc: Jason Gunthorpe <jgg at ziepe.ca>
Cc: Kees Cook <keescook at chromium.org>
Cc: Ard Biesheuvel <ardb at kernel.org>
Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
Cc: Baoquan He <bhe at redhat.com>
Cc: Wei Yang <richardw.yang at linux.intel.com>
Cc: Eric Biederman <ebiederm at xmission.com>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Cc: kexec at lists.infradead.org
Signed-off-by: David Hildenbrand <david at redhat.com>
---
include/l...
2020 Sep 08
0
[PATCH v1 2/5] kernel/resource: merge_system_ram_resources() to merge resources after hotplug
...Stabellini <sstabellini at kernel.org>
>> Cc: Roger Pau Monn? <roger.pau at citrix.com>
>> Cc: Julien Grall <julien at xen.org>
>> Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
>> Cc: Baoquan He <bhe at redhat.com>
>> Cc: Wei Yang <richardw.yang at linux.intel.com>
>> Signed-off-by: David Hildenbrand <david at redhat.com>
>> ---
>> include/linux/ioport.h | 3 +++
>> kernel/resource.c | 52 ++++++++++++++++++++++++++++++++++++++++++
>> 2 files changed, 55 insertions(+)
>>
>> dif...
2020 Aug 21
0
[PATCH v1 1/5] kernel/resource: make release_mem_region_adjustable() never fail
...an Williams <dan.j.williams at intel.com>
Cc: Jason Gunthorpe <jgg at ziepe.ca>
Cc: Kees Cook <keescook at chromium.org>
Cc: Ard Biesheuvel <ardb at kernel.org>
Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
Cc: Baoquan He <bhe at redhat.com>
Cc: Wei Yang <richardw.yang at linux.intel.com>
Signed-off-by: David Hildenbrand <david at redhat.com>
---
include/linux/ioport.h | 4 ++--
kernel/resource.c | 49 ++++++++++++++++++++++++------------------
mm/memory_hotplug.c | 22 +------------------
3 files changed, 31 insertions(+), 44 deletions(-)...
2020 Sep 11
0
[PATCH v4 1/8] kernel/resource: make release_mem_region_adjustable() never fail
...an Williams <dan.j.williams at intel.com>
Cc: Jason Gunthorpe <jgg at ziepe.ca>
Cc: Kees Cook <keescook at chromium.org>
Cc: Ard Biesheuvel <ardb at kernel.org>
Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
Cc: Baoquan He <bhe at redhat.com>
Cc: Wei Yang <richardw.yang at linux.intel.com>
Signed-off-by: David Hildenbrand <david at redhat.com>
---
include/linux/ioport.h | 4 ++--
kernel/resource.c | 49 ++++++++++++++++++++++++------------------
mm/memory_hotplug.c | 22 +------------------
3 files changed, 31 insertions(+), 44 deletions(-)...
2019 Sep 19
0
[PATCH RFC v3 6/9] mm: Allow to offline PageOffline() pages with a reference count of 0
...Michal Hocko <mhocko at suse.com>
Cc: Pingfan Liu <kernelfans at gmail.com>
Cc: Qian Cai <cai at lca.pw>
Cc: Dan Williams <dan.j.williams at intel.com>
Cc: Mel Gorman <mgorman at techsingularity.net>
Cc: Mike Rapoport <rppt at linux.vnet.ibm.com>
Cc: Wei Yang <richardw.yang at linux.intel.com>
Cc: Alexander Potapenko <glider at google.com>
Cc: Anshuman Khandual <anshuman.khandual at arm.com>
Cc: Jason Gunthorpe <jgg at ziepe.ca>
Cc: Stephen Rothwell <sfr at canb.auug.org.au>
Cc: Mauro Carvalho Chehab <mchehab+samsung at kernel.org>...
2020 Sep 08
0
[PATCH v2 3/7] mm/memory_hotplug: prepare passing flags to add_memory() and friends
...Morton <akpm at linux-foundation.org>
Cc: Michal Hocko <mhocko at suse.com>
Cc: Dan Williams <dan.j.williams at intel.com>
Cc: Jason Gunthorpe <jgg at ziepe.ca>
Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
Cc: Baoquan He <bhe at redhat.com>
Cc: Wei Yang <richardw.yang at linux.intel.com>
Cc: Michael Ellerman <mpe at ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Cc: Paul Mackerras <paulus at samba.org>
Cc: "Rafael J. Wysocki" <rjw at rjwysocki.net>
Cc: Len Brown <lenb at kernel.org>
Cc: Gr...
2020 Sep 10
0
[PATCH v3 3/7] mm/memory_hotplug: prepare passing flags to add_memory() and friends
...Morton <akpm at linux-foundation.org>
Cc: Michal Hocko <mhocko at suse.com>
Cc: Dan Williams <dan.j.williams at intel.com>
Cc: Jason Gunthorpe <jgg at ziepe.ca>
Cc: Pankaj Gupta <pankaj.gupta.linux at gmail.com>
Cc: Baoquan He <bhe at redhat.com>
Cc: Wei Yang <richardw.yang at linux.intel.com>
Cc: Michael Ellerman <mpe at ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Cc: Paul Mackerras <paulus at samba.org>
Cc: "Rafael J. Wysocki" <rjw at rjwysocki.net>
Cc: Len Brown <lenb at kernel.org>
Cc: Gr...
2020 Jul 31
6
[PATCH RFCv1 0/5] mm/memory_hotplug: selective merging of memory resources
Some add_memory*() users add memory in small, contiguous memory blocks.
Examples include virtio-mem, hyper-v balloon, and the XEN balloon.
This can quickly result in a lot of memory resources, whereby the actual
resource boundaries are not of interest (e.g., it might be relevant for
DIMMs, exposed via /proc/iomem to user space). We really want to merge
added resources in this scenario where