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Date: Mon, 26 Mar 2012 19:45:56 +0200 From: Andrea Arcangeli <aarcange@...hat.com> To: linux-kernel@...r.kernel.org, linux-mm@...ck.org Cc: Hillf Danton <dhillf@...il.com>, Dan Smith <danms@...ibm.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, Paul Turner <pjt@...gle.com>, Suresh Siddha <suresh.b.siddha@...el.com>, Mike Galbraith <efault@....de>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Lai Jiangshan <laijs@...fujitsu.com>, Bharata B Rao <bharata.rao@...il.com>, Lee Schermerhorn <Lee.Schermerhorn@...com>, Rik van Riel <riel@...hat.com>, Johannes Weiner <hannes@...xchg.org> Subject: [PATCH 09/39] autonuma: define the autonuma flags 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@...hat.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..9c702fd --- /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, + 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; + +static bool inline autonuma_enabled(void) +{ + return !!test_bit(AUTONUMA_FLAG, &autonuma_flags); +} + +static bool inline autonuma_debug(void) +{ + return !!test_bit(AUTONUMA_DEBUG_FLAG, &autonuma_flags); +} + +static bool inline autonuma_sched_load_balance_strict(void) +{ + return !!test_bit(AUTONUMA_SCHED_LOAD_BALANCE_STRICT_FLAG, + &autonuma_flags); +} + +static bool inline autonuma_sched_clone_reset(void) +{ + return !!test_bit(AUTONUMA_SCHED_CLONE_RESET_FLAG, + &autonuma_flags); +} + +static bool inline autonuma_sched_fork_reset(void) +{ + return !!test_bit(AUTONUMA_SCHED_FORK_RESET_FLAG, + &autonuma_flags); +} + +static bool inline autonuma_scan_pmd(void) +{ + return !!test_bit(AUTONUMA_SCAN_PMD_FLAG, &autonuma_flags); +} + +static bool inline autonuma_scan_use_working_set(void) +{ + return !!test_bit(AUTONUMA_SCAN_USE_WORKING_SET_FLAG, + &autonuma_flags); +} + +static bool inline autonuma_migrate_defer(void) +{ + return !!test_bit(AUTONUMA_MIGRATE_DEFER_FLAG, &autonuma_flags); +} + +#endif /* _LINUX_AUTONUMA_FLAGS_H */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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