diff options
| author | Valentin Schneider <valentin.schneider@arm.com> | 2020-08-17 12:29:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-08-19 10:49:47 +0200 |
| commit | d54a9658a75633b839af7a2c6c758807678b8064 (patch) | |
| tree | 25f4c02a1ff8eaccd33d36eb18c95f485439acd1 /include/linux/sched/sd_flags.h | |
| parent | d23b3bf8e43faa54a6839aafd6fedc15a3c4174f (diff) | |
sched/topology: Split out SD_* flags declaration to its own file
To associate the SD flags with some metadata, we need some more structure
in the way they are declared.
Rather than shove that in a free-standing macro list, move the declaration
in a separate file that can be re-imported with different SD_FLAG
definitions. This is inspired by what is done with the syscall
table (see uapi/asm/unistd.h and sys_call_table).
The value assigned to a given SD flag now depends on the order it appears
in sd_flags.h. No change in functionality.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: https://lore.kernel.org/r/20200817113003.20802-4-valentin.schneider@arm.com
Diffstat (limited to 'include/linux/sched/sd_flags.h')
| -rw-r--r-- | include/linux/sched/sd_flags.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h new file mode 100644 index 000000000000..373dc45c024e --- /dev/null +++ b/include/linux/sched/sd_flags.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * sched-domains (multiprocessor balancing) flag declarations. + */ + +#ifndef SD_FLAG +# error "Incorrect import of SD flags definitions" +#endif + +/* Balance when about to become idle */ +SD_FLAG(SD_BALANCE_NEWIDLE) +/* Balance on exec */ +SD_FLAG(SD_BALANCE_EXEC) +/* Balance on fork, clone */ +SD_FLAG(SD_BALANCE_FORK) +/* Balance on wakeup */ +SD_FLAG(SD_BALANCE_WAKE) +/* Wake task to waking CPU */ +SD_FLAG(SD_WAKE_AFFINE) +/* Domain members have different CPU capacities */ +SD_FLAG(SD_ASYM_CPUCAPACITY) +/* Domain members share CPU capacity */ +SD_FLAG(SD_SHARE_CPUCAPACITY) +/* Domain members share CPU pkg resources */ +SD_FLAG(SD_SHARE_PKG_RESOURCES) +/* Only a single load balancing instance */ +SD_FLAG(SD_SERIALIZE) +/* Place busy groups earlier in the domain */ +SD_FLAG(SD_ASYM_PACKING) +/* Prefer to place tasks in a sibling domain */ +SD_FLAG(SD_PREFER_SIBLING) +/* sched_domains of this level overlap */ +SD_FLAG(SD_OVERLAP) +/* cross-node balancing */ +SD_FLAG(SD_NUMA) |