[PATCH 10/35] autonuma: define the autonuma flags

Andrea Arcangeli
2012-05-25T17:09:32Z

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..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 */