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Date: Sat, 30 Jun 2012 01:01:44 -0400 From: Konrad Rzeszutek Wilk <konrad@...nok.org> To: Andrea Arcangeli <aarcange@...hat.com> Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org, 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>, Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>, Christoph Lameter <cl@...ux.com>, Alex Shi <alex.shi@...el.com>, Mauricio Faria de Oliveira <mauricfo@...ux.vnet.ibm.com>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Don Morris <don.morris@...com>, Benjamin Herrenschmidt <benh@...nel.crashing.org> Subject: Re: [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@...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..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 */ > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@...ck.org. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: <a href=mailto:"dont@...ck.org"> email@...ck.org </a> > -- 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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