On Fri, Oct 28, 2011 at 03:35:35PM +0200, Michael Holzheu wrote: > Hello Simon, > > Here comes the patch... > > On Thu, 2011-10-27 at 07:31 +0900, Simon Horman wrote: > > On Tue, Oct 25, 2011 at 07:17:17PM +0200, Michael Holzheu wrote: > > > To fix this I could parse /sys/devices/system/memory and exclude each > > > memory chunk that in not online from the /proc/iomem info. Do you think > > > that this approach is fine or is there a better solution? > > > > Hi Michael, > > > > that sounds like a reasonable approach to me. > > IIRC, kexec xen on ia64 makes use of an alternate iomem file, > > and this seems to be another example of /proc/iomem not being > > the right source of information. > > From: Michael Holzheu <holzheu at linux.vnet.ibm.com> > > Currently on s390 for memory detection only the "/proc/iomem" file is used. > This file does not include information on offlined memory chunks. With this > patch the memory hotplug information is read from "/sys/devices/system/memory" > and is added to the "/proc/iomem" info. > > Also the MAX_MEMORY_RANGES count is increased to 1024 in order to support > systems with many memory holes. Thanks Michael, applied.
