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rhashtable: Allow other tasks to be scheduled in large lookup loops 

Depending on system speed, the large lookup/insert/delete loops of the testsuite can
take a considerable amount of time to complete causing watchdog warnings to appear.
Allow other tasks to be scheduled throughout the loops.

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2015-07-17 10:52:48 +02:00 committed by David S. Miller
parent f61687c019
commit 685a015e44
1 changed files with 7 additions and 0 deletions
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7
lib/test_rhashtable.c
View File

@ -20,6 +20,7 @@
#include <linux/rcupdate.h> #include <linux/rcupdate.h>
#include <linux/rhashtable.h> #include <linux/rhashtable.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/sched.h>
#define MAX_ENTRIES 1000000 #define MAX_ENTRIES 1000000
#define TEST_INSERT_FAIL INT_MAX #define TEST_INSERT_FAIL INT_MAX
@ -87,6 +88,8 @@ static int __init test_rht_lookup(struct rhashtable *ht)
return -EINVAL; return -EINVAL;
} }
} }
cond_resched_rcu();
} }
return 0; return 0;
@ -160,6 +163,8 @@ static s64 __init test_rhashtable(struct rhashtable *ht)
} else if (err) { } else if (err) {
return err; return err;
} }
cond_resched();
} }
if (insert_fails) if (insert_fails)
@ -183,6 +188,8 @@ static s64 __init test_rhashtable(struct rhashtable *ht)
rhashtable_remove_fast(ht, &obj->node, test_rht_params); rhashtable_remove_fast(ht, &obj->node, test_rht_params);
} }
cond_resched();
} }
end = ktime_get_ns(); end = ktime_get_ns();