... wasn't trying to add enough memory. It adds in >> units of SECTION_SIZE_BITS ... to use memory-hotplug for virtualized enviroment, it's good to make > ... #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED make[3]: *** [arch/x86/kernel/asm-offsets ...

linux-kernel - Jeremy Fitzhardinge - Mar 27 2008 - 16:54

... wasn't trying to add enough memory. It adds in > >> units of SECTION_SIZE_BITS, ... to use memory-hotplug for virtualized enviroment, it's good to make > ... #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > FLAGS_RESERVED > make[3]: *** [arch/x86/kernel/asm- ...

linux-kernel - KAMEZAWA Hiroyuki - Mar 27 2008 - 20:20

... >> I'm trying to make use of hotplug memory in the Xen ... is not initilalized. > > Calling path to memmap initailization is. > == > add_memory() > -> arch_add_memory() ... balloon driver. trying to reserve 262144 pages (1073741824 bytes) for balloon ...

linux-kernel - Jeremy Fitzhardinge - Mar 27 2008 - 01:57

... > I'm trying to make use of hotplug memory in the Xen ... CONFIG_SPARSEMEM and > CONFIG_HOTPLUG_MEMORY. Because the new memory is only > pseudo-physical, > the ... , I do (error checking > edited > out for brevity): > > res = kzalloc(sizeof(*res ...

linux-kernel - Dave Hansen - Mar 26 2008 - 20:09

... is. I wasn't trying to add enough memory. It adds in > units of SECTION_SIZE_BITS ... to use memory-hotplug for virtualized enviroment, it's good to make this ... please find the best. Thanks, -Kame -- To unsubscribe from this list: send ...

linux-kernel - KAMEZAWA Hiroyuki - Mar 27 2008 - 02:11

... > I'm trying to make use of hotplug memory in the Xen ... is not initilalized. Calling path to memmap initailization is. == add_memory() -> arch_add_memory() ... -> 65536 > Movable zone start PFN for each node > early_node_map[1] active ...

linux-kernel - KAMEZAWA Hiroyuki - Mar 26 2008 - 20:50

... echo online > /sys/devices/system/memory/memoryXXX/state > > That's what ... range. I think you're trying to do this manually, and ... new section of hotplug memory, its doing it to get the ... each page (the balloon driver uses online_page() on each page as ...

linux-kernel - Jeremy Fitzhardinge - Mar 27 2008 - 18:23

... does the addition > through /sys/devices/system/memory/probe. Would it be possible to have the balloon driver use the memory hotplug interface instead? That ... and you will likely find that lots of issues have already been addressed in that ...

linux-kernel - Christoph Lameter - Mar 26 2008 - 21:23

... because it > onlines a large number of pages which have no backing ... kernel explodes in a variety of > interesting ways. Yeah, it does ... like you need some kind of partial onlining. > So I'd ... for memory hotplug as it stands, so there are going to be ...

linux-kernel - Dave Hansen - Mar 28 2008 - 14:21

... use memory-hotplug for virtualized enviroment, it's good to make ... smaller chunk. Powerpc/IBM lpar uses 16MB chunk. > > It's a ... thought. I'd been thinking of something around the 64-256MB ... ve got some Xen-specific problems to solve first. Thanks, J ...

linux-kernel - Jeremy Fitzhardinge - Mar 27 2008 - 02:09

... ve only allocated the iomem *resource* > for the memory area, which means that you' ... +int add_memory_resource(int nid, struct resource *res) +{ + pg_data_t *pgdat = NULL; + int new_pgdat = ... also note that most of the ppc64 memory hotplug is driven by > ...

linux-kernel - Jeremy Fitzhardinge - Mar 26 2008 - 20:15

... : echo online > /sys/devices/system/memory/memoryXXX/state That's what actually ... I think you're trying to do this manually, and missing part of it. There's some documentation here: ... after the memory has been added so that it can be used. -- ...

linux-kernel - Dave Hansen - Mar 26 2008 - 20:26