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authorNicolas Pitre <nico@cam.org>2006-12-22 18:52:56 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-12-30 17:05:07 +0000
commit0c48d314b16f485e89e0f13fa37c9bd98b6a064d (patch)
treec8500f51dc5b7fbd517a0b3c760e177d9fa6047c /arch/arm/mach-pxa/generic.c
parentae2aa9073acf8f810f18297f586e03d4b2b97588 (diff)
[ARM] 4066/1: correct a comment about PXA's sched_clock range
Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/generic.c')
-rw-r--r--arch/arm/mach-pxa/generic.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 6ae605857ca..9de1278d234 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -76,7 +76,9 @@ unsigned long long sched_clock(void)
/*
* 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for
* any value of CLOCK_TICK_RATE. Max value is in the 80 thousand
- * years range which is nice, but with higher computation cost.
+ * years range and truncation to unsigned long long limits it to
+ * sched_clock's max range of ~584 years. This is nice but with
+ * higher computation cost.
*/
{
union {