Commits
Andi Kleen committed e99b861a3e9
[PATCH] x86-64: Only allocate per cpu data for possible CPUs, not compiled in CPUs. Saves some memory except for hotplug situations. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>