Depending on system speed, the large lookup loop can take a considerable amount of time to complete causing watchdog warnings to appear. Allow other tasks to be scheduled after every batch of 1000 lookups.
Reported-by: Meelis Roos <mr...@linux.ee> Signed-off-by: Thomas Graf <tg...@suug.ch> --- lib/test_rhashtable.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/lib/test_rhashtable.c b/lib/test_rhashtable.c index c90777e..5ed6211 100644 --- a/lib/test_rhashtable.c +++ b/lib/test_rhashtable.c @@ -20,8 +20,10 @@ #include <linux/rcupdate.h> #include <linux/rhashtable.h> #include <linux/slab.h> +#include <linux/sched.h> #define MAX_ENTRIES 1000000 +#define RELAX_CPU_AFTER 1000 #define TEST_INSERT_FAIL INT_MAX static int entries = 50000; @@ -61,7 +63,7 @@ static struct rhashtable_params test_rht_params = { static int __init test_rht_lookup(struct rhashtable *ht) { - unsigned int i; + unsigned int i, relax_cnt = RELAX_CPU_AFTER; for (i = 0; i < entries * 2; i++) { struct test_obj *obj; @@ -87,6 +89,11 @@ static int __init test_rht_lookup(struct rhashtable *ht) return -EINVAL; } } + + if (!relax_cnt--) { + schedule(); + relax_cnt = RELAX_CPU_AFTER; + } } return 0; -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html