| 1 | /* test-slub.c |
| 2 | * |
| 3 | * Compare local cmpxchg with irq disable / enable with cmpxchg_local for slub. |
| 4 | */ |
| 5 | |
| 6 | |
| 7 | #include <linux/jiffies.h> |
| 8 | #include <linux/compiler.h> |
| 9 | #include <linux/init.h> |
| 10 | #include <linux/module.h> |
| 11 | #include <linux/calc64.h> |
| 12 | #include <asm/timex.h> |
| 13 | #include <asm/system.h> |
| 14 | |
| 15 | extern atomic_t slub_fast_count; |
| 16 | extern atomic_t slub_slow_count; |
| 17 | |
| 18 | static int slub_test_init(void) |
| 19 | { |
| 20 | printk("Fast slub free: %u\n", atomic_read(&slub_fast_count)); |
| 21 | printk("Slow slub free: %u\n", atomic_read(&slub_slow_count)); |
| 22 | return -EAGAIN; /* Fail will directly unload the module */ |
| 23 | } |
| 24 | |
| 25 | static void slub_test_exit(void) |
| 26 | { |
| 27 | printk(KERN_ALERT "test exit\n"); |
| 28 | } |
| 29 | |
| 30 | module_init(slub_test_init) |
| 31 | module_exit(slub_test_exit) |
| 32 | |
| 33 | MODULE_LICENSE("GPL"); |
| 34 | MODULE_AUTHOR("Mathieu Desnoyers"); |
| 35 | MODULE_DESCRIPTION("SLUB test"); |