Messages in this thread Patch in this message | | | Subject | Re: 2.6.23-rc8-mm1 - powerpc memory hotplug link failure | From | Badari Pulavarty <> | Date | Tue, 25 Sep 2007 15:01:54 -0700 |
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On Wed, 2007-09-26 at 01:30 +0530, Kamalesh Babulal wrote: > Hi Andrew, > > The 2.6.23-rc8-mm1 kernel linking fails on the powerpc (P5+) box > > CC init/version.o > LD init/built-in.o > LD .tmp_vmlinux1 > drivers/built-in.o: In function `memory_block_action': > /root/scrap/linux-2.6.23-rc8/drivers/base/memory.c:188: undefined reference to `.remove_memory' > make: *** [.tmp_vmlinux1] Error 1 >
I ran into the same thing earlier. Here is the fix I made.
Thanks, Badari
Memory hotplug remove is currently supported only on IA64
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Index: linux-2.6.23-rc8/mm/Kconfig =================================================================== --- linux-2.6.23-rc8.orig/mm/Kconfig 2007-09-25 14:44:03.000000000 -0700 +++ linux-2.6.23-rc8/mm/Kconfig 2007-09-25 14:44:48.000000000 -0700 @@ -143,6 +143,7 @@ config MEMORY_HOTREMOVE bool "Allow for memory hot remove" depends on MEMORY_HOTPLUG depends on MIGRATION + depends on (IA64) # Heavily threaded applications may benefit from splitting the mm-wide # page_table_lock, so that faults on different parts of the user address
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