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| author |   Helge Deller <deller@gmx.de> | 2018-06-15 22:38:22 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2018-06-28 17:34:43 +0200 |
| commit | 435d34c7a48de5e89047ef9c7dce6528831b258b (patch) | |
| tree | a3d4c6b1ff87023646d35182c428de71a97f2052 /arch | |
| parent | parisc: Convert printk(KERN_LEVEL) to pr_lvl() (diff) | |
| download | linux-dev-435d34c7a48de5e89047ef9c7dce6528831b258b.tar.xz linux-dev-435d34c7a48de5e89047ef9c7dce6528831b258b.zip | |
parisc: Default to 4 SMP CPUs
I haven't seen any real SMP machine yet with > 4 CPUs (we don't suport
SuperDomes yet), so reducing the default maximum number of CPUs may speed up
various bitop functions which depend on number of CPUs in the system.
bload-o-meter on a typical 64-bit kernel shows:
Data: add/remove: 0/0 grow/shrink: 0/10 up/down: 0/-3724 (-3724)
Total: Before=1910404, After=1906680, chg -0.19%
Code: add/remove: 0/2 grow/shrink: 42/38 up/down: 2320/-3500 (-1180)
Total: Before=11053099, After=11051919, chg -0.01%
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index a9a507a19540..17526bebcbd2 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -347,7 +347,7 @@ config NR_CPUS int "Maximum number of CPUs (2-32)" range 2 32 depends on SMP - default "32" + default "4" endmenu |