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authorMike Travis <travis@sgi.com>2008-12-31 18:08:45 -0800
committerIngo Molnar <mingo@elte.hu>2009-01-03 18:59:47 +0100
commit730cf27246225d56ca1603b2f3c4fdbf882d4e51 (patch)
tree46cfe9609956394a11a00e10f3f727e2ba4e4afa
parent6bdf197b04b3ae7c85785bc5a9576f1bcb0ac7c0 (diff)
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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>
-rw-r--r--arch/x86/kernel/smpboot.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 9e177a4077e..f49c26bd7e2 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -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",