diff options
Diffstat (limited to 'module/splat/splat-kmem.c')
| -rw-r--r-- | module/splat/splat-kmem.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/module/splat/splat-kmem.c b/module/splat/splat-kmem.c index 4d060c138..ebc6a042f 100644 --- a/module/splat/splat-kmem.c +++ b/module/splat/splat-kmem.c @@ -77,10 +77,6 @@ #define SPLAT_KMEM_TEST11_DESC "Slab memory overcommit test" #endif -#define SPLAT_KMEM_TEST12_ID 0x010c -#define SPLAT_KMEM_TEST12_NAME "vmem_size" -#define SPLAT_KMEM_TEST12_DESC "Memory zone test" - #define SPLAT_KMEM_TEST13_ID 0x010d #define SPLAT_KMEM_TEST13_NAME "slab_reclaim" #define SPLAT_KMEM_TEST13_DESC "Slab direct memory reclaim test" @@ -1104,84 +1100,6 @@ splat_kmem_test11(struct file *file, void *arg) } #endif -/* - * Check vmem_size() behavior by acquiring the alloc/free/total vmem - * space, then allocate a known buffer size from vmem space. We can - * then check that vmem_size() values were updated properly with in - * a fairly small tolerence. The tolerance is important because we - * are not the only vmem consumer on the system. Other unrelated - * allocations might occur during the small test window. The vmem - * allocation itself may also add in a little extra private space to - * the buffer. Finally, verify total space always remains unchanged. - */ -static int -splat_kmem_test12(struct file *file, void *arg) -{ - size_t alloc1, free1, total1; - size_t alloc2, free2, total2; - int size = 8*1024*1024; - void *ptr; - - alloc1 = vmem_size(NULL, VMEM_ALLOC); - free1 = vmem_size(NULL, VMEM_FREE); - total1 = vmem_size(NULL, VMEM_ALLOC | VMEM_FREE); - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, "Vmem alloc=%lu " - "free=%lu total=%lu\n", (unsigned long)alloc1, - (unsigned long)free1, (unsigned long)total1); - - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, "Alloc %d bytes\n", size); - ptr = vmem_alloc(size, KM_SLEEP); - if (!ptr) { - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, - "Failed to alloc %d bytes\n", size); - return -ENOMEM; - } - - alloc2 = vmem_size(NULL, VMEM_ALLOC); - free2 = vmem_size(NULL, VMEM_FREE); - total2 = vmem_size(NULL, VMEM_ALLOC | VMEM_FREE); - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, "Vmem alloc=%lu " - "free=%lu total=%lu\n", (unsigned long)alloc2, - (unsigned long)free2, (unsigned long)total2); - - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, "Free %d bytes\n", size); - vmem_free(ptr, size); - if (alloc2 < (alloc1 + size - (size / 100)) || - alloc2 > (alloc1 + size + (size / 100))) { - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, "Failed " - "VMEM_ALLOC size: %lu != %lu+%d (+/- 1%%)\n", - (unsigned long)alloc2,(unsigned long)alloc1,size); - return -ERANGE; - } - - if (free2 < (free1 - size - (size / 100)) || - free2 > (free1 - size + (size / 100))) { - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, "Failed " - "VMEM_FREE size: %lu != %lu-%d (+/- 1%%)\n", - (unsigned long)free2, (unsigned long)free1, size); - return -ERANGE; - } - - if (total1 != total2) { - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, "Failed " - "VMEM_ALLOC | VMEM_FREE not constant: " - "%lu != %lu\n", (unsigned long)total2, - (unsigned long)total1); - return -ERANGE; - } - - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, - "VMEM_ALLOC within tolerance: ~%ld%% (%ld/%d)\n", - (long)abs(alloc1 + (long)size - alloc2) * 100 / (long)size, - (long)abs(alloc1 + (long)size - alloc2), size); - splat_vprint(file, SPLAT_KMEM_TEST12_NAME, - "VMEM_FREE within tolerance: ~%ld%% (%ld/%d)\n", - (long)abs((free1 - (long)size) - free2) * 100 / (long)size, - (long)abs((free1 - (long)size) - free2), size); - - return 0; -} - typedef struct dummy_page { struct list_head dp_list; char dp_pad[PAGE_SIZE - sizeof(struct list_head)]; @@ -1360,8 +1278,6 @@ splat_kmem_init(void) SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST11_NAME, SPLAT_KMEM_TEST11_DESC, SPLAT_KMEM_TEST11_ID, splat_kmem_test11); #endif - SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST12_NAME, SPLAT_KMEM_TEST12_DESC, - SPLAT_KMEM_TEST12_ID, splat_kmem_test12); SPLAT_TEST_INIT(sub, SPLAT_KMEM_TEST13_NAME, SPLAT_KMEM_TEST13_DESC, SPLAT_KMEM_TEST13_ID, splat_kmem_test13); @@ -1373,7 +1289,6 @@ splat_kmem_fini(splat_subsystem_t *sub) { ASSERT(sub); SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST13_ID); - SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST12_ID); #if 0 SPLAT_TEST_FINI(sub, SPLAT_KMEM_TEST11_ID); #endif |