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Only run the kmem overcommit test on 64-bit systems.

This commit is contained in:
Brian Behlendorf 2009-12-01 11:40:47 -08:00
parent a5d6f6020a
commit 4e5691faf6
1 changed files with 11 additions and 1 deletions
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12
module/splat/splat-kmem.c
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@ -69,9 +69,11 @@
#define SPLAT_KMEM_TEST10_NAME "slab_lock"
#define SPLAT_KMEM_TEST10_DESC "Slab locking test"
#ifdef _LP64
#define SPLAT_KMEM_TEST11_ID 0x010b
#define SPLAT_KMEM_TEST11_NAME "slab_overcommit"
#define SPLAT_KMEM_TEST11_DESC "Slab memory overcommit test"
#endif /* _LP64 */
#define SPLAT_KMEM_TEST12_ID 0x010c
#define SPLAT_KMEM_TEST12_NAME "vmem_size"
@ -1003,6 +1005,7 @@ splat_kmem_test10(struct file *file, void *arg)
return rc;
}
#ifdef _LP64
/*
* This test creates N threads with a shared kmem cache which overcommits
* memory by 4x. This makes it impossible for the slab to satify the
@ -1011,7 +1014,9 @@ splat_kmem_test10(struct file *file, void *arg)
* detecting a low memory condition on the node and invoking the shrinkers.
* This should allow all the threads to complete while avoiding deadlock
* and for the most part out of memory events. This is very tough on the
* system so it is possible the test app may get oom'ed.
* system so it is possible the test app may get oom'ed. This particular
* test has proven troublesome on 32-bit archs with limited virtual
* address space so it only run on 64-bit systems.
*/
static int
splat_kmem_test11(struct file *file, void *arg)
@ -1031,6 +1036,7 @@ splat_kmem_test11(struct file *file, void *arg)
return rc;
}
#endif /* _LP64 */
/*
* Check vmem_size() behavior by acquiring the alloc/free/total vmem
@ -1147,8 +1153,10 @@ splat_kmem_init(void)
SPLAT_KMEM_TEST9_ID, splat_kmem_test9);
SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST10_NAME, SPLAT_KMEM_TEST10_DESC,
SPLAT_KMEM_TEST10_ID, splat_kmem_test10);
#ifdef _LP64
SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST11_NAME, SPLAT_KMEM_TEST11_DESC,
SPLAT_KMEM_TEST11_ID, splat_kmem_test11);
#endif /* _LP64 */
SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST12_NAME, SPLAT_KMEM_TEST12_DESC,
SPLAT_KMEM_TEST12_ID, splat_kmem_test12);
@ -1160,7 +1168,9 @@ splat_kmem_fini(splat_subsystem_t *sub)
{
ASSERT(sub);
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST12_ID);
#ifdef _LP64
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST11_ID);
#endif /* _LP64 */
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST10_ID);
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST9_ID);
SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST8_ID);