diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 25 | ||||
-rw-r--r-- | Documentation/scheduler/sched-domains.txt | 4 |
2 files changed, 0 insertions, 29 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index e7be75b96e4b..5dab36448b44 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu | |||
@@ -9,31 +9,6 @@ Description: | |||
9 | 9 | ||
10 | /sys/devices/system/cpu/cpu#/ | 10 | /sys/devices/system/cpu/cpu#/ |
11 | 11 | ||
12 | What: /sys/devices/system/cpu/sched_mc_power_savings | ||
13 | /sys/devices/system/cpu/sched_smt_power_savings | ||
14 | Date: June 2006 | ||
15 | Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> | ||
16 | Description: Discover and adjust the kernel's multi-core scheduler support. | ||
17 | |||
18 | Possible values are: | ||
19 | |||
20 | 0 - No power saving load balance (default value) | ||
21 | 1 - Fill one thread/core/package first for long running threads | ||
22 | 2 - Also bias task wakeups to semi-idle cpu package for power | ||
23 | savings | ||
24 | |||
25 | sched_mc_power_savings is dependent upon SCHED_MC, which is | ||
26 | itself architecture dependent. | ||
27 | |||
28 | sched_smt_power_savings is dependent upon SCHED_SMT, which | ||
29 | is itself architecture dependent. | ||
30 | |||
31 | The two files are independent of each other. It is possible | ||
32 | that one file may be present without the other. | ||
33 | |||
34 | Introduced by git commit 5c45bf27. | ||
35 | |||
36 | |||
37 | What: /sys/devices/system/cpu/kernel_max | 12 | What: /sys/devices/system/cpu/kernel_max |
38 | /sys/devices/system/cpu/offline | 13 | /sys/devices/system/cpu/offline |
39 | /sys/devices/system/cpu/online | 14 | /sys/devices/system/cpu/online |
diff --git a/Documentation/scheduler/sched-domains.txt b/Documentation/scheduler/sched-domains.txt index b7ee379b651b..443f0c76bab4 100644 --- a/Documentation/scheduler/sched-domains.txt +++ b/Documentation/scheduler/sched-domains.txt | |||
@@ -61,10 +61,6 @@ The implementor should read comments in include/linux/sched.h: | |||
61 | struct sched_domain fields, SD_FLAG_*, SD_*_INIT to get an idea of | 61 | struct sched_domain fields, SD_FLAG_*, SD_*_INIT to get an idea of |
62 | the specifics and what to tune. | 62 | the specifics and what to tune. |
63 | 63 | ||
64 | For SMT, the architecture must define CONFIG_SCHED_SMT and provide a | ||
65 | cpumask_t cpu_sibling_map[NR_CPUS], where cpu_sibling_map[i] is the mask of | ||
66 | all "i"'s siblings as well as "i" itself. | ||
67 | |||
68 | Architectures may retain the regular override the default SD_*_INIT flags | 64 | Architectures may retain the regular override the default SD_*_INIT flags |
69 | while using the generic domain builder in kernel/sched.c if they wish to | 65 | while using the generic domain builder in kernel/sched.c if they wish to |
70 | retain the traditional SMT->SMP->NUMA topology (or some subset of that). This | 66 | retain the traditional SMT->SMP->NUMA topology (or some subset of that). This |