On Fri, 2018-04-20 at 20:29:48 UTC, Nathan Fontenot wrote: > The updates to powerpc numa and memory hotplug code now use the > in-kernel LMB array instead of the device tree. This change > allows the pseries memory DLPAR code to only update the device > tree once after successfully handling a DLPAR request. > > Prior to the in-kernel LMB array, the numa code looked up the > affinity for memory being added in the device tree, the code > now looks this up in the LMB array. This change means the > memory hotplug code can just update the affinity for an LMB > in the LMB array instead of updating the device tree. > > This also provides a savings in kernel memory. When updating the > device tree old properties are never free'ed since there is no > usecount on properties. This behavior leads to a new copy of the > property being allocated every time a LMB is added or removed > (i.e. a request to add 100 LMBs creates 100 new copies of the > property). With this update only a single new property is created > when a DLPAR request completes successfully. > > Signed-off-by: Nathan Fontenot <nf...@linux.vnet.ibm.com>
Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/063b8b1251fd069f3740339fca5611 cheers
