Displaying 4 results from an estimated 4 matches for "e94ede9cad00".
2020 Apr 30
0
[PATCH v2 2/3] mm/memory_hotplug: Introduce MHP_NO_FIRMWARE_MEMMAP
...on't create entries in /sys/firmware/memmap/. The memory is detected and
+ * added via a device driver, not via the initial (firmware) memmap.
+ */
+#define MHP_NO_FIRMWARE_MEMMAP 1
+
/*
* Zone resizing functions
*
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index c01be92693e3..e94ede9cad00 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1062,7 +1062,8 @@ int __ref add_memory_resource(int nid, struct resource *res,
BUG_ON(ret);
/* create new memmap entry */
- firmware_map_add_hotplug(start, start + size, "System RAM");
+ if (!(flags & MHP_NO_FIRMWARE...
2020 Apr 30
5
[PATCH v2 0/3] mm/memory_hotplug: Allow to not create firmware memmap entries
This is the follow up of [1]:
[PATCH v1 0/3] mm/memory_hotplug: Make virtio-mem play nicely with
kexec-tools
I realized that this is not only helpful for virtio-mem, but also for
dax/kmem - it's a fix for that use case (see patch #3) of persistent
memory.
Also, while testing, I discovered that kexec-tools will *not* add dax/kmem
memory (anything not directly under the root when parsing
2020 Apr 30
3
[PATCH v2 2/3] mm/memory_hotplug: Introduce MHP_NO_FIRMWARE_MEMMAP
...ap/. The memory is detected and
> + * added via a device driver, not via the initial (firmware) memmap.
> + */
> +#define MHP_NO_FIRMWARE_MEMMAP 1
> +
> /*
> * Zone resizing functions
> *
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index c01be92693e3..e94ede9cad00 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -1062,7 +1062,8 @@ int __ref add_memory_resource(int nid, struct resource *res,
> BUG_ON(ret);
>
> /* create new memmap entry */
> - firmware_map_add_hotplug(start, start + size, "System RAM");...
2020 Apr 30
3
[PATCH v2 2/3] mm/memory_hotplug: Introduce MHP_NO_FIRMWARE_MEMMAP
...ap/. The memory is detected and
> + * added via a device driver, not via the initial (firmware) memmap.
> + */
> +#define MHP_NO_FIRMWARE_MEMMAP 1
> +
> /*
> * Zone resizing functions
> *
> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
> index c01be92693e3..e94ede9cad00 100644
> --- a/mm/memory_hotplug.c
> +++ b/mm/memory_hotplug.c
> @@ -1062,7 +1062,8 @@ int __ref add_memory_resource(int nid, struct resource *res,
> BUG_ON(ret);
>
> /* create new memmap entry */
> - firmware_map_add_hotplug(start, start + size, "System RAM");...