Commit 730cf272 authored Dec 31, 2008 by Mike Travis Committed by Ingo Molnar Jan 03, 2009

x86: enable cpus display of kernel_max and offlined cpus



Impact: enables /sys/devices/system/cpu/{kernel_max,offline} user interface

By setting total_cpus, the drivers/base/cpu.c will display the
values of kernel_max (NR_CPUS-1) and the offlined cpu map.

Signed-off-by: Mike Travis <travis@sgi.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 6bdf197b

arch/x86/kernel/smpboot.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1298,6 +1298,8 @@ __init void prefill_possible_map(void)
		else
		possible = setup_possible_cpus;

		total_cpus = max_t(int, possible, num_processors + disabled_cpus);

		if (possible > CONFIG_NR_CPUS) {
		printk(KERN_WARNING
		"%d Processors exceeds NR_CPUS limit of %d\n",