diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 22 | ||||
| -rw-r--r-- | init/calibrate.c | 6 |
2 files changed, 25 insertions, 3 deletions
diff --git a/init/Kconfig b/init/Kconfig index e72fd101039e..6f49ceb25710 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -287,6 +287,18 @@ config BSD_PROCESS_ACCT_V3 for processing it. A preliminary version of these tools is available at <http://www.gnu.org/software/acct/>. +config FHANDLE + bool "open by fhandle syscalls" + select EXPORTFS + help + If you say Y here, a user level program will be able to map + file names to handle and then later use the handle for + different file system operations. This is useful in implementing + userspace file servers, which now track files using handles instead + of names. The handle would remain the same even if file names + get renamed. Enables open_by_handle_at(2) and name_to_handle_at(2) + syscalls. + config TASKSTATS bool "Export task/process statistics through netlink (EXPERIMENTAL)" depends on NET @@ -683,6 +695,16 @@ config CGROUP_MEM_RES_CTLR_SWAP_ENABLED select this option (if, for some reason, they need to disable it then noswapaccount does the trick). +config CGROUP_PERF + bool "Enable perf_event per-cpu per-container group (cgroup) monitoring" + depends on PERF_EVENTS && CGROUPS + help + This option extends the per-cpu mode to restrict monitoring to + threads which belong to the cgroup specified and run on the + designated cpu. + + Say N if unsure. + menuconfig CGROUP_SCHED bool "Group CPU scheduler" depends on EXPERIMENTAL diff --git a/init/calibrate.c b/init/calibrate.c index 6eb48e53d61c..24fe022c55f9 100644 --- a/init/calibrate.c +++ b/init/calibrate.c @@ -66,7 +66,7 @@ static unsigned long __cpuinit calibrate_delay_direct(void) pre_start = 0; read_current_timer(&start); start_jiffies = jiffies; - while (jiffies <= (start_jiffies + 1)) { + while (time_before_eq(jiffies, start_jiffies + 1)) { pre_start = start; read_current_timer(&start); } @@ -74,8 +74,8 @@ static unsigned long __cpuinit calibrate_delay_direct(void) pre_end = 0; end = post_start; - while (jiffies <= - (start_jiffies + 1 + DELAY_CALIBRATION_TICKS)) { + while (time_before_eq(jiffies, start_jiffies + 1 + + DELAY_CALIBRATION_TICKS)) { pre_end = end; read_current_timer(&end); } |