]> err.no Git - linux-2.6/commit
Convert cpu_sibling_map to be a per cpu variable
authorMike Travis <travis@sgi.com>
Tue, 16 Oct 2007 08:24:05 +0000 (01:24 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Tue, 16 Oct 2007 16:42:50 +0000 (09:42 -0700)
commitd5a7430ddcdb598261d70f7eb1bf450b5be52085
tree3b94672e0dbc2bff125de3266908f1a47a17b795
parent083576112940fda783d716fd5ccc744f81667b2f
Convert cpu_sibling_map to be a per cpu variable

Convert cpu_sibling_map from a static array sized by NR_CPUS to a per_cpu
variable.  This saves sizeof(cpumask_t) * NR unused cpus.  Access is mostly
from startup and CPU HOTPLUG functions.

Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
26 files changed:
arch/ia64/kernel/setup.c
arch/ia64/kernel/smpboot.c
arch/powerpc/kernel/setup-common.c
arch/powerpc/kernel/setup_64.c
arch/powerpc/kernel/smp.c
arch/powerpc/platforms/cell/cbe_cpufreq.c
arch/sparc64/kernel/smp.c
arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
arch/x86/kernel/io_apic_32.c
arch/x86/kernel/smpboot_32.c
arch/x86/kernel/smpboot_64.c
arch/x86/oprofile/op_model_p4.c
arch/x86/xen/smp.c
block/blktrace.c
include/asm-ia64/smp.h
include/asm-ia64/topology.h
include/asm-powerpc/smp.h
include/asm-powerpc/topology.h
include/asm-sparc64/smp.h
include/asm-sparc64/topology.h
include/asm-x86/smp_32.h
include/asm-x86/smp_64.h
include/asm-x86/topology_32.h
include/asm-x86/topology_64.h
kernel/sched.c