Displaying 2 results from an estimated 2 matches for "new_pgdat".
2010 Aug 06
5
[PATCH] GSoC 2010 - Memory hotplug support for Xen guests - second fully working version - once again
...ug head.
Changes:
- /sys/devices/system/memory/probe interface has been removed;
/sys/devices/system/xen_memory/xen_memory0/{target,target_kb}
are much better (I forgot about them),
- most of the code have been moved to drivers/xen/balloon.c,
- this changes forced me to export hotadd_new_pgdat and
rollback_node_hotadd function from mm/memory_hotplug.c;
could it be accepted by mm/memory_hotplug.c maintainers ???
- PV on HVM mode is supported now; it was tested on
git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git
repository, 2.6.34-pvhvm head,
- most of Jeremy su...
2010 Aug 12
13
[PATCH] GSoC 2010 - Memory hotplug support for Xen guests - third fully working version
...__meminit too then?
Good question. I looked throught the code and could
not find any simple explanation why mm/memory_hotplug.c
authors used __ref instead __meminit. Could you (mm/memory_hotplug.c
authors/maintainers) tell us why ???
> >+{
> >+ pg_data_t *pgdat = NULL;
> >+ int new_pgdat = 0, ret;
> >+
> >+ lock_system_sleep();
>
> What''s this for? I see all its other users are in the memory hotplug
> code, but presumably they''re concerned about a real S3 suspend. Do we
> care about that here?
Yes, because as I know S3 state is supported...