Messages in this thread | | | From | Kumar Gala <> | Subject | Re: [PATCH 4/5] [PPC] update lmb for hotplug memory add/remove | Date | Thu, 27 Mar 2008 21:40:52 -0500 |
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On Mar 27, 2008, at 7:39 PM, Badari Pulavarty wrote: > ppc kernel maintains information about logical memory blocks in > lmb.memory structure at the boot time. Its not updated for > hotplug memory add/remove. hotplug memory notifier for memory > add/remove now updates lmb.memory. > > This information is useful for eHEA driver to find out the memory > layout and holes. > > NOTE: No special locking is needed for lmb_add() and lmb_remove(). > Calls to these are serialized by caller. (pSeries_reconfig_chain). > > Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> > --- > arch/powerpc/platforms/pseries/hotplug-memory.c | 43 +++++++++++++++ > include/linux/lmb.h | 3 - > lib/lmb.c | 66 ++++++++++++++ > ++++++---- > 3 files changed, 102 insertions(+), 10 deletions(-)
How is lmb_remove different than lmb_alloc?
- k
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