[PATCH] Revert "sched/cputime: Fix mul_u64_u64_div_u64() precision for cputime"

[Nicolas Pitre]

This reverts commit 77baa5bafcbe1b2a15ef9c37232c21279c95481c.

After commit b29a62d87cc0 ("mul_u64_u64_div_u64: make it precise always")
it is no longer necessary to have this workaround.

Signed-off-by: Nicolas Pitre <npitre@xxxxxxxxxxxx>
---
 kernel/sched/cputime.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 0bed0fa1ac..a5e00293ae 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -582,12 +582,6 @@ void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev,
 	}
 
 	stime = mul_u64_u64_div_u64(stime, rtime, stime + utime);
-	/*
-	 * Because mul_u64_u64_div_u64() can approximate on some
-	 * achitectures; enforce the constraint that: a*b/(b+c) <= a.
-	 */
-	if (unlikely(stime > rtime))
-		stime = rtime;
 
 update:
 	/*
-- 
2.46.1