pageexec report an oops for tcp_lp_owd_calculator(). This is due to
tcp_lp_remote_hz_estimator can return 0.
This patch fix the handling of lp->flag, so will set lp->flag as FALSE
if rhz <= 0
Signed-off-by: Wong Hoi Sing Edison <[EMAIL PROTECTED]>
---
diff -urpN 2.6.18-rc6/tcp_lp.c tcp-lp/tcp_lp.c
--- 2.6.18-rc6/tcp_lp.c 2006-09-04 16:21:00.000000000 +0800
+++ tcp-lp/tcp_lp.c 2006-09-04 17:22:19.000000000 +0800
@@ -153,14 +157,17 @@ static u32 tcp_lp_remote_hz_estimator(st
if (m < 0)
m = -m;
- if (rhz != 0) {
+ if (rhz > 0) {
m -= rhz >> 6; /* m is now error in remote HZ est */
rhz += m; /* 63/64 old + 1/64 new */
} else
rhz = m << 6;
/* record time for successful remote HZ calc */
- lp->flag |= LP_VALID_RHZ;
+ if (rhz > 0)
+ lp->flag |= LP_VALID_RHZ;
+ else
+ lp->flag &= ~LP_VALID_RHZ;
out:
/* record reference time stamp */
--
VGER BF report: U 0.500057
-
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