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| author | Mike Travis <travis@sgi.com> | 2008-12-31 18:08:45 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-03 18:59:47 +0100 |
| commit | 730cf27246225d56ca1603b2f3c4fdbf882d4e51 (patch) | |
| tree | 46cfe9609956394a11a00e10f3f727e2ba4e4afa | |
| parent | 6bdf197b04b3ae7c85785bc5a9576f1bcb0ac7c0 (diff) | |
| download | blackbird-op-linux-730cf27246225d56ca1603b2f3c4fdbf882d4e51.tar.gz blackbird-op-linux-730cf27246225d56ca1603b2f3c4fdbf882d4e51.zip | |
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.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 9e177a4077ee..f49c26bd7e2d 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", |
