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[PATCH] x86-64: Only allocate per cpu data for possible CPUs, not compiled in CPUs.

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Saves some memory except for hotplug situations.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen
2005-09-12 18:49:24 +02:00
committed by Linus Torvalds
parent 2b4a08150e
commit e99b861a3e
1 changed files with 1 additions and 1 deletions
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arch/x86_64/kernel/setup64.c
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@@ -94,7 +94,7 @@ void __init setup_per_cpu_areas(void)
size = PERCPU_ENOUGH_ROOM; size = PERCPU_ENOUGH_ROOM;
#endif #endif
for (i = 0; i < NR_CPUS; i++) { for_each_cpu_mask (i, cpu_possible_map) {
char *ptr; char *ptr;
if (!NODE_DATA(cpu_to_node(i))) { if (!NODE_DATA(cpu_to_node(i))) {