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authorThomas Gleixner <tglx@linutronix.de>2014-06-11 23:59:13 +0000
committerThomas Gleixner <tglx@linutronix.de>2014-06-12 16:18:45 +0200
commitb5d7682533941edb121f7495bdb2a17abac03ff3 (patch)
tree607db83a4d8cfa7a5363e6554124bd80a5cc087d
parent22001821d9cb6ddb83ee4e1f81e6b905de623165 (diff)
downloadtalos-op-linux-b5d7682533941edb121f7495bdb2a17abac03ff3.tar.gz
talos-op-linux-b5d7682533941edb121f7495bdb2a17abac03ff3.zip
delayacct: Use ktime_get_ts()
do_posix_clock_monotonic_gettime() is a leftover from the initial posix timer implementation which maps to ktime_get_ts(). Remove the silly wrapper while at it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20140611234606.931409215@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--kernel/delayacct.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index 54996b71e66d..de699f42f9bc 100644
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -46,16 +46,6 @@ void __delayacct_tsk_init(struct task_struct *tsk)
}
/*
- * Start accounting for a delay statistic using
- * its starting timestamp (@start)
- */
-
-static inline void delayacct_start(struct timespec *start)
-{
- do_posix_clock_monotonic_gettime(start);
-}
-
-/*
* Finish delay accounting for a statistic using
* its timestamps (@start, @end), accumalator (@total) and @count
*/
@@ -67,7 +57,7 @@ static void delayacct_end(struct timespec *start, struct timespec *end,
s64 ns;
unsigned long flags;
- do_posix_clock_monotonic_gettime(end);
+ ktime_get_ts(end);
ts = timespec_sub(*end, *start);
ns = timespec_to_ns(&ts);
if (ns < 0)
@@ -81,7 +71,7 @@ static void delayacct_end(struct timespec *start, struct timespec *end,
void __delayacct_blkio_start(void)
{
- delayacct_start(&current->delays->blkio_start);
+ ktime_get_ts(&current->delays->blkio_start);
}
void __delayacct_blkio_end(void)
@@ -169,7 +159,7 @@ __u64 __delayacct_blkio_ticks(struct task_struct *tsk)
void __delayacct_freepages_start(void)
{
- delayacct_start(&current->delays->freepages_start);
+ ktime_get_ts(&current->delays->freepages_start);
}
void __delayacct_freepages_end(void)
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