From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752999Ab2F1NCQ (ORCPT ); Thu, 28 Jun 2012 09:02:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50691 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755788Ab2F1M6b (ORCPT ); Thu, 28 Jun 2012 08:58:31 -0400 From: Andrea Arcangeli To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Hillf Danton , Dan Smith , Peter Zijlstra , Linus Torvalds , Andrew Morton , Thomas Gleixner , Ingo Molnar , Paul Turner , Suresh Siddha , Mike Galbraith , "Paul E. McKenney" , Lai Jiangshan , Bharata B Rao , Lee Schermerhorn , Rik van Riel , Johannes Weiner , Srivatsa Vaddagiri , Christoph Lameter , Alex Shi , Mauricio Faria de Oliveira , Konrad Rzeszutek Wilk , Don Morris , Benjamin Herrenschmidt Subject: [PATCH 11/40] autonuma: define the autonuma flags Date: Thu, 28 Jun 2012 14:55:51 +0200 Message-Id: <1340888180-15355-12-git-send-email-aarcange@redhat.com> In-Reply-To: <1340888180-15355-1-git-send-email-aarcange@redhat.com> References: <1340888180-15355-1-git-send-email-aarcange@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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; + +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 */