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SubjectRe: [PATCH 11/40] autonuma: define the autonuma flags
On Thu, Jun 28, 2012 at 02:55:51PM +0200, Andrea Arcangeli wrote:
> These flags are the ones tweaked through sysfs, they control the
> behavior of autonuma, from enabling disabling it, to selecting various
> runtime options.
>
> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
> ---
> include/linux/autonuma_flags.h | 62 ++++++++++++++++++++++++++++++++++++++++
> 1 files changed, 62 insertions(+), 0 deletions(-)
> create mode 100644 include/linux/autonuma_flags.h
>
> diff --git a/include/linux/autonuma_flags.h b/include/linux/autonuma_flags.h
> new file mode 100644
> index 0000000..5e29a75
> --- /dev/null
> +++ b/include/linux/autonuma_flags.h
> @@ -0,0 +1,62 @@
> +#ifndef _LINUX_AUTONUMA_FLAGS_H
> +#define _LINUX_AUTONUMA_FLAGS_H
> +
> +enum autonuma_flag {
> + AUTONUMA_FLAG,
> + AUTONUMA_IMPOSSIBLE_FLAG,
> + AUTONUMA_DEBUG_FLAG,
> + AUTONUMA_SCHED_LOAD_BALANCE_STRICT_FLAG,
> + AUTONUMA_SCHED_CLONE_RESET_FLAG,
> + AUTONUMA_SCHED_FORK_RESET_FLAG,
> + AUTONUMA_SCAN_PMD_FLAG,
> + AUTONUMA_SCAN_USE_WORKING_SET_FLAG,
> + AUTONUMA_MIGRATE_DEFER_FLAG,
> +};
> +
> +extern unsigned long autonuma_flags;

I could not find the this variable in the preceding patches?
Which patch actually uses it?

Also, is there a way to force the AutoNUMA framework
from not initializing at all? Hold that thought, it probably
is in some of the other patches.

> +
> +static inline bool autonuma_enabled(void)
> +{
> + return !!test_bit(AUTONUMA_FLAG, &autonuma_flags);
> +}
> +
> +static inline bool autonuma_debug(void)
> +{
> + return !!test_bit(AUTONUMA_DEBUG_FLAG, &autonuma_flags);
> +}
> +
> +static inline bool autonuma_sched_load_balance_strict(void)
> +{
> + return !!test_bit(AUTONUMA_SCHED_LOAD_BALANCE_STRICT_FLAG,
> + &autonuma_flags);
> +}
> +
> +static inline bool autonuma_sched_clone_reset(void)
> +{
> + return !!test_bit(AUTONUMA_SCHED_CLONE_RESET_FLAG,
> + &autonuma_flags);
> +}
> +
> +static inline bool autonuma_sched_fork_reset(void)
> +{
> + return !!test_bit(AUTONUMA_SCHED_FORK_RESET_FLAG,
> + &autonuma_flags);
> +}
> +
> +static inline bool autonuma_scan_pmd(void)
> +{
> + return !!test_bit(AUTONUMA_SCAN_PMD_FLAG, &autonuma_flags);
> +}
> +
> +static inline bool autonuma_scan_use_working_set(void)
> +{
> + return !!test_bit(AUTONUMA_SCAN_USE_WORKING_SET_FLAG,
> + &autonuma_flags);
> +}
> +
> +static inline bool autonuma_migrate_defer(void)
> +{
> + return !!test_bit(AUTONUMA_MIGRATE_DEFER_FLAG, &autonuma_flags);
> +}
> +
> +#endif /* _LINUX_AUTONUMA_FLAGS_H */
>
> --
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