hc
2023-12-08 01573e231f18eb2d99162747186f59511f56b64d
kernel/lib/test_bitmap.c
....@@ -1,5 +1,6 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
2
- * Test cases for printf facility.
3
+ * Test cases for bitmap API.
34 */
45
56 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
....@@ -11,12 +12,47 @@
1112 #include <linux/printk.h>
1213 #include <linux/slab.h>
1314 #include <linux/string.h>
15
+#include <linux/uaccess.h>
1416
15
-static unsigned total_tests __initdata;
16
-static unsigned failed_tests __initdata;
17
+#include "../tools/testing/selftests/kselftest_module.h"
18
+
19
+KSTM_MODULE_GLOBALS();
1720
1821 static char pbl_buffer[PAGE_SIZE] __initdata;
1922
23
+static const unsigned long exp1[] __initconst = {
24
+ BITMAP_FROM_U64(1),
25
+ BITMAP_FROM_U64(2),
26
+ BITMAP_FROM_U64(0x0000ffff),
27
+ BITMAP_FROM_U64(0xffff0000),
28
+ BITMAP_FROM_U64(0x55555555),
29
+ BITMAP_FROM_U64(0xaaaaaaaa),
30
+ BITMAP_FROM_U64(0x11111111),
31
+ BITMAP_FROM_U64(0x22222222),
32
+ BITMAP_FROM_U64(0xffffffff),
33
+ BITMAP_FROM_U64(0xfffffffe),
34
+ BITMAP_FROM_U64(0x3333333311111111ULL),
35
+ BITMAP_FROM_U64(0xffffffff77777777ULL),
36
+ BITMAP_FROM_U64(0),
37
+};
38
+
39
+static const unsigned long exp2[] __initconst = {
40
+ BITMAP_FROM_U64(0x3333333311111111ULL),
41
+ BITMAP_FROM_U64(0xffffffff77777777ULL),
42
+};
43
+
44
+/* Fibonacci sequence */
45
+static const unsigned long exp2_to_exp3_mask[] __initconst = {
46
+ BITMAP_FROM_U64(0x008000020020212eULL),
47
+};
48
+/* exp3_0_1 = (exp2[0] & ~exp2_to_exp3_mask) | (exp2[1] & exp2_to_exp3_mask) */
49
+static const unsigned long exp3_0_1[] __initconst = {
50
+ BITMAP_FROM_U64(0x33b3333311313137ULL),
51
+};
52
+/* exp3_1_0 = (exp2[1] & ~exp2_to_exp3_mask) | (exp2[0] & exp2_to_exp3_mask) */
53
+static const unsigned long exp3_1_0[] __initconst = {
54
+ BITMAP_FROM_U64(0xff7fffff77575751ULL),
55
+};
2056
2157 static bool __init
2258 __check_eq_uint(const char *srcfile, unsigned int line,
....@@ -88,6 +124,36 @@
88124 return true;
89125 }
90126
127
+static bool __init __check_eq_clump8(const char *srcfile, unsigned int line,
128
+ const unsigned int offset,
129
+ const unsigned int size,
130
+ const unsigned char *const clump_exp,
131
+ const unsigned long *const clump)
132
+{
133
+ unsigned long exp;
134
+
135
+ if (offset >= size) {
136
+ pr_warn("[%s:%u] bit offset for clump out-of-bounds: expected less than %u, got %u\n",
137
+ srcfile, line, size, offset);
138
+ return false;
139
+ }
140
+
141
+ exp = clump_exp[offset / 8];
142
+ if (!exp) {
143
+ pr_warn("[%s:%u] bit offset for zero clump: expected nonzero clump, got bit offset %u with clump value 0",
144
+ srcfile, line, offset);
145
+ return false;
146
+ }
147
+
148
+ if (*clump != exp) {
149
+ pr_warn("[%s:%u] expected clump value of 0x%lX, got clump value of 0x%lX",
150
+ srcfile, line, exp, *clump);
151
+ return false;
152
+ }
153
+
154
+ return true;
155
+}
156
+
91157 #define __expect_eq(suffix, ...) \
92158 ({ \
93159 int result = 0; \
....@@ -104,6 +170,7 @@
104170 #define expect_eq_bitmap(...) __expect_eq(bitmap, ##__VA_ARGS__)
105171 #define expect_eq_pbl(...) __expect_eq(pbl, ##__VA_ARGS__)
106172 #define expect_eq_u32_array(...) __expect_eq(u32_array, ##__VA_ARGS__)
173
+#define expect_eq_clump8(...) __expect_eq(clump8, ##__VA_ARGS__)
107174
108175 static void __init test_zero_clear(void)
109176 {
....@@ -202,7 +269,35 @@
202269 expect_eq_pbl("0-108,128-1023", bmap2, 1024);
203270 }
204271
205
-#define PARSE_TIME 0x1
272
+#define EXP2_IN_BITS (sizeof(exp2) * 8)
273
+
274
+static void __init test_replace(void)
275
+{
276
+ unsigned int nbits = 64;
277
+ unsigned int nlongs = DIV_ROUND_UP(nbits, BITS_PER_LONG);
278
+ DECLARE_BITMAP(bmap, 1024);
279
+
280
+ BUILD_BUG_ON(EXP2_IN_BITS < nbits * 2);
281
+
282
+ bitmap_zero(bmap, 1024);
283
+ bitmap_replace(bmap, &exp2[0 * nlongs], &exp2[1 * nlongs], exp2_to_exp3_mask, nbits);
284
+ expect_eq_bitmap(bmap, exp3_0_1, nbits);
285
+
286
+ bitmap_zero(bmap, 1024);
287
+ bitmap_replace(bmap, &exp2[1 * nlongs], &exp2[0 * nlongs], exp2_to_exp3_mask, nbits);
288
+ expect_eq_bitmap(bmap, exp3_1_0, nbits);
289
+
290
+ bitmap_fill(bmap, 1024);
291
+ bitmap_replace(bmap, &exp2[0 * nlongs], &exp2[1 * nlongs], exp2_to_exp3_mask, nbits);
292
+ expect_eq_bitmap(bmap, exp3_0_1, nbits);
293
+
294
+ bitmap_fill(bmap, 1024);
295
+ bitmap_replace(bmap, &exp2[1 * nlongs], &exp2[0 * nlongs], exp2_to_exp3_mask, nbits);
296
+ expect_eq_bitmap(bmap, exp3_1_0, nbits);
297
+}
298
+
299
+#define PARSE_TIME 0x1
300
+#define NO_LEN 0x2
206301
207302 struct test_bitmap_parselist{
208303 const int errno;
....@@ -212,104 +307,177 @@
212307 const int flags;
213308 };
214309
215
-static const unsigned long exp[] __initconst = {
216
- BITMAP_FROM_U64(1),
217
- BITMAP_FROM_U64(2),
218
- BITMAP_FROM_U64(0x0000ffff),
219
- BITMAP_FROM_U64(0xffff0000),
220
- BITMAP_FROM_U64(0x55555555),
221
- BITMAP_FROM_U64(0xaaaaaaaa),
222
- BITMAP_FROM_U64(0x11111111),
223
- BITMAP_FROM_U64(0x22222222),
224
- BITMAP_FROM_U64(0xffffffff),
225
- BITMAP_FROM_U64(0xfffffffe),
226
- BITMAP_FROM_U64(0x3333333311111111ULL),
227
- BITMAP_FROM_U64(0xffffffff77777777ULL)
228
-};
229
-
230
-static const unsigned long exp2[] __initconst = {
231
- BITMAP_FROM_U64(0x3333333311111111ULL),
232
- BITMAP_FROM_U64(0xffffffff77777777ULL)
233
-};
234
-
235310 static const struct test_bitmap_parselist parselist_tests[] __initconst = {
236311 #define step (sizeof(u64) / sizeof(unsigned long))
237312
238
- {0, "0", &exp[0], 8, 0},
239
- {0, "1", &exp[1 * step], 8, 0},
240
- {0, "0-15", &exp[2 * step], 32, 0},
241
- {0, "16-31", &exp[3 * step], 32, 0},
242
- {0, "0-31:1/2", &exp[4 * step], 32, 0},
243
- {0, "1-31:1/2", &exp[5 * step], 32, 0},
244
- {0, "0-31:1/4", &exp[6 * step], 32, 0},
245
- {0, "1-31:1/4", &exp[7 * step], 32, 0},
246
- {0, "0-31:4/4", &exp[8 * step], 32, 0},
247
- {0, "1-31:4/4", &exp[9 * step], 32, 0},
248
- {0, "0-31:1/4,32-63:2/4", &exp[10 * step], 64, 0},
249
- {0, "0-31:3/4,32-63:4/4", &exp[11 * step], 64, 0},
313
+ {0, "0", &exp1[0], 8, 0},
314
+ {0, "1", &exp1[1 * step], 8, 0},
315
+ {0, "0-15", &exp1[2 * step], 32, 0},
316
+ {0, "16-31", &exp1[3 * step], 32, 0},
317
+ {0, "0-31:1/2", &exp1[4 * step], 32, 0},
318
+ {0, "1-31:1/2", &exp1[5 * step], 32, 0},
319
+ {0, "0-31:1/4", &exp1[6 * step], 32, 0},
320
+ {0, "1-31:1/4", &exp1[7 * step], 32, 0},
321
+ {0, "0-31:4/4", &exp1[8 * step], 32, 0},
322
+ {0, "1-31:4/4", &exp1[9 * step], 32, 0},
323
+ {0, "0-31:1/4,32-63:2/4", &exp1[10 * step], 64, 0},
324
+ {0, "0-31:3/4,32-63:4/4", &exp1[11 * step], 64, 0},
325
+ {0, " ,, 0-31:3/4 ,, 32-63:4/4 ,, ", &exp1[11 * step], 64, 0},
250326
251327 {0, "0-31:1/4,32-63:2/4,64-95:3/4,96-127:4/4", exp2, 128, 0},
252328
253329 {0, "0-2047:128/256", NULL, 2048, PARSE_TIME},
330
+
331
+ {0, "", &exp1[12 * step], 8, 0},
332
+ {0, "\n", &exp1[12 * step], 8, 0},
333
+ {0, ",, ,, , , ,", &exp1[12 * step], 8, 0},
334
+ {0, " , ,, , , ", &exp1[12 * step], 8, 0},
335
+ {0, " , ,, , , \n", &exp1[12 * step], 8, 0},
254336
255337 {-EINVAL, "-1", NULL, 8, 0},
256338 {-EINVAL, "-0", NULL, 8, 0},
257339 {-EINVAL, "10-1", NULL, 8, 0},
258340 {-EINVAL, "0-31:", NULL, 8, 0},
259341 {-EINVAL, "0-31:0", NULL, 8, 0},
342
+ {-EINVAL, "0-31:0/", NULL, 8, 0},
260343 {-EINVAL, "0-31:0/0", NULL, 8, 0},
261344 {-EINVAL, "0-31:1/0", NULL, 8, 0},
262345 {-EINVAL, "0-31:10/1", NULL, 8, 0},
346
+ {-EOVERFLOW, "0-98765432123456789:10/1", NULL, 8, 0},
347
+
348
+ {-EINVAL, "a-31", NULL, 8, 0},
349
+ {-EINVAL, "0-a1", NULL, 8, 0},
350
+ {-EINVAL, "a-31:10/1", NULL, 8, 0},
351
+ {-EINVAL, "0-31:a/1", NULL, 8, 0},
352
+ {-EINVAL, "0-\n", NULL, 8, 0},
353
+
263354 };
264355
265356 static void __init test_bitmap_parselist(void)
266357 {
267358 int i;
268359 int err;
269
- cycles_t cycles;
360
+ ktime_t time;
270361 DECLARE_BITMAP(bmap, 2048);
271362
272363 for (i = 0; i < ARRAY_SIZE(parselist_tests); i++) {
273364 #define ptest parselist_tests[i]
274365
275
- cycles = get_cycles();
366
+ time = ktime_get();
276367 err = bitmap_parselist(ptest.in, bmap, ptest.nbits);
277
- cycles = get_cycles() - cycles;
368
+ time = ktime_get() - time;
278369
279370 if (err != ptest.errno) {
280
- pr_err("test %d: input is %s, errno is %d, expected %d\n",
371
+ pr_err("parselist: %d: input is %s, errno is %d, expected %d\n",
281372 i, ptest.in, err, ptest.errno);
282373 continue;
283374 }
284375
285376 if (!err && ptest.expected
286377 && !__bitmap_equal(bmap, ptest.expected, ptest.nbits)) {
287
- pr_err("test %d: input is %s, result is 0x%lx, expected 0x%lx\n",
288
- i, ptest.in, bmap[0], *ptest.expected);
378
+ pr_err("parselist: %d: input is %s, result is 0x%lx, expected 0x%lx\n",
379
+ i, ptest.in, bmap[0],
380
+ *ptest.expected);
289381 continue;
290382 }
291383
292384 if (ptest.flags & PARSE_TIME)
293
- pr_err("test %d: input is '%s' OK, Time: %llu\n",
294
- i, ptest.in,
295
- (unsigned long long)cycles);
385
+ pr_err("parselist: %d: input is '%s' OK, Time: %llu\n",
386
+ i, ptest.in, time);
387
+
388
+#undef ptest
296389 }
297390 }
298391
299
-#define EXP_BYTES (sizeof(exp) * 8)
392
+static const unsigned long parse_test[] __initconst = {
393
+ BITMAP_FROM_U64(0),
394
+ BITMAP_FROM_U64(1),
395
+ BITMAP_FROM_U64(0xdeadbeef),
396
+ BITMAP_FROM_U64(0x100000000ULL),
397
+};
398
+
399
+static const unsigned long parse_test2[] __initconst = {
400
+ BITMAP_FROM_U64(0x100000000ULL), BITMAP_FROM_U64(0xdeadbeef),
401
+ BITMAP_FROM_U64(0x100000000ULL), BITMAP_FROM_U64(0xbaadf00ddeadbeef),
402
+ BITMAP_FROM_U64(0x100000000ULL), BITMAP_FROM_U64(0x0badf00ddeadbeef),
403
+};
404
+
405
+static const struct test_bitmap_parselist parse_tests[] __initconst = {
406
+ {0, "", &parse_test[0 * step], 32, 0},
407
+ {0, " ", &parse_test[0 * step], 32, 0},
408
+ {0, "0", &parse_test[0 * step], 32, 0},
409
+ {0, "0\n", &parse_test[0 * step], 32, 0},
410
+ {0, "1", &parse_test[1 * step], 32, 0},
411
+ {0, "deadbeef", &parse_test[2 * step], 32, 0},
412
+ {0, "1,0", &parse_test[3 * step], 33, 0},
413
+ {0, "deadbeef,\n,0,1", &parse_test[2 * step], 96, 0},
414
+
415
+ {0, "deadbeef,1,0", &parse_test2[0 * 2 * step], 96, 0},
416
+ {0, "baadf00d,deadbeef,1,0", &parse_test2[1 * 2 * step], 128, 0},
417
+ {0, "badf00d,deadbeef,1,0", &parse_test2[2 * 2 * step], 124, 0},
418
+ {0, "badf00d,deadbeef,1,0", &parse_test2[2 * 2 * step], 124, NO_LEN},
419
+ {0, " badf00d,deadbeef,1,0 ", &parse_test2[2 * 2 * step], 124, 0},
420
+ {0, " , badf00d,deadbeef,1,0 , ", &parse_test2[2 * 2 * step], 124, 0},
421
+ {0, " , badf00d, ,, ,,deadbeef,1,0 , ", &parse_test2[2 * 2 * step], 124, 0},
422
+
423
+ {-EINVAL, "goodfood,deadbeef,1,0", NULL, 128, 0},
424
+ {-EOVERFLOW, "3,0", NULL, 33, 0},
425
+ {-EOVERFLOW, "123badf00d,deadbeef,1,0", NULL, 128, 0},
426
+ {-EOVERFLOW, "badf00d,deadbeef,1,0", NULL, 90, 0},
427
+ {-EOVERFLOW, "fbadf00d,deadbeef,1,0", NULL, 95, 0},
428
+ {-EOVERFLOW, "badf00d,deadbeef,1,0", NULL, 100, 0},
429
+#undef step
430
+};
431
+
432
+static void __init test_bitmap_parse(void)
433
+{
434
+ int i;
435
+ int err;
436
+ ktime_t time;
437
+ DECLARE_BITMAP(bmap, 2048);
438
+
439
+ for (i = 0; i < ARRAY_SIZE(parse_tests); i++) {
440
+ struct test_bitmap_parselist test = parse_tests[i];
441
+ size_t len = test.flags & NO_LEN ? UINT_MAX : strlen(test.in);
442
+
443
+ time = ktime_get();
444
+ err = bitmap_parse(test.in, len, bmap, test.nbits);
445
+ time = ktime_get() - time;
446
+
447
+ if (err != test.errno) {
448
+ pr_err("parse: %d: input is %s, errno is %d, expected %d\n",
449
+ i, test.in, err, test.errno);
450
+ continue;
451
+ }
452
+
453
+ if (!err && test.expected
454
+ && !__bitmap_equal(bmap, test.expected, test.nbits)) {
455
+ pr_err("parse: %d: input is %s, result is 0x%lx, expected 0x%lx\n",
456
+ i, test.in, bmap[0],
457
+ *test.expected);
458
+ continue;
459
+ }
460
+
461
+ if (test.flags & PARSE_TIME)
462
+ pr_err("parse: %d: input is '%s' OK, Time: %llu\n",
463
+ i, test.in, time);
464
+ }
465
+}
466
+
467
+#define EXP1_IN_BITS (sizeof(exp1) * 8)
300468
301469 static void __init test_bitmap_arr32(void)
302470 {
303471 unsigned int nbits, next_bit;
304
- u32 arr[sizeof(exp) / 4];
305
- DECLARE_BITMAP(bmap2, EXP_BYTES);
472
+ u32 arr[EXP1_IN_BITS / 32];
473
+ DECLARE_BITMAP(bmap2, EXP1_IN_BITS);
306474
307475 memset(arr, 0xa5, sizeof(arr));
308476
309
- for (nbits = 0; nbits < EXP_BYTES; ++nbits) {
310
- bitmap_to_arr32(arr, exp, nbits);
477
+ for (nbits = 0; nbits < EXP1_IN_BITS; ++nbits) {
478
+ bitmap_to_arr32(arr, exp1, nbits);
311479 bitmap_from_arr32(bmap2, arr, nbits);
312
- expect_eq_bitmap(bmap2, exp, nbits);
480
+ expect_eq_bitmap(bmap2, exp1, nbits);
313481
314482 next_bit = find_next_bit(bmap2,
315483 round_up(nbits, BITS_PER_LONG), nbits);
....@@ -318,7 +486,7 @@
318486 " tail is not safely cleared: %d\n",
319487 nbits, next_bit);
320488
321
- if (nbits < EXP_BYTES - 32)
489
+ if (nbits < EXP1_IN_BITS - 32)
322490 expect_eq_uint(arr[DIV_ROUND_UP(nbits, 32)],
323491 0xa5a5a5a5);
324492 }
....@@ -361,30 +529,110 @@
361529 }
362530 }
363531
364
-static int __init test_bitmap_init(void)
532
+static const unsigned char clump_exp[] __initconst = {
533
+ 0x01, /* 1 bit set */
534
+ 0x02, /* non-edge 1 bit set */
535
+ 0x00, /* zero bits set */
536
+ 0x38, /* 3 bits set across 4-bit boundary */
537
+ 0x38, /* Repeated clump */
538
+ 0x0F, /* 4 bits set */
539
+ 0xFF, /* all bits set */
540
+ 0x05, /* non-adjacent 2 bits set */
541
+};
542
+
543
+static void __init test_for_each_set_clump8(void)
544
+{
545
+#define CLUMP_EXP_NUMBITS 64
546
+ DECLARE_BITMAP(bits, CLUMP_EXP_NUMBITS);
547
+ unsigned int start;
548
+ unsigned long clump;
549
+
550
+ /* set bitmap to test case */
551
+ bitmap_zero(bits, CLUMP_EXP_NUMBITS);
552
+ bitmap_set(bits, 0, 1); /* 0x01 */
553
+ bitmap_set(bits, 9, 1); /* 0x02 */
554
+ bitmap_set(bits, 27, 3); /* 0x28 */
555
+ bitmap_set(bits, 35, 3); /* 0x28 */
556
+ bitmap_set(bits, 40, 4); /* 0x0F */
557
+ bitmap_set(bits, 48, 8); /* 0xFF */
558
+ bitmap_set(bits, 56, 1); /* 0x05 - part 1 */
559
+ bitmap_set(bits, 58, 1); /* 0x05 - part 2 */
560
+
561
+ for_each_set_clump8(start, clump, bits, CLUMP_EXP_NUMBITS)
562
+ expect_eq_clump8(start, CLUMP_EXP_NUMBITS, clump_exp, &clump);
563
+}
564
+
565
+struct test_bitmap_cut {
566
+ unsigned int first;
567
+ unsigned int cut;
568
+ unsigned int nbits;
569
+ unsigned long in[4];
570
+ unsigned long expected[4];
571
+};
572
+
573
+static struct test_bitmap_cut test_cut[] = {
574
+ { 0, 0, 8, { 0x0000000aUL, }, { 0x0000000aUL, }, },
575
+ { 0, 0, 32, { 0xdadadeadUL, }, { 0xdadadeadUL, }, },
576
+ { 0, 3, 8, { 0x000000aaUL, }, { 0x00000015UL, }, },
577
+ { 3, 3, 8, { 0x000000aaUL, }, { 0x00000012UL, }, },
578
+ { 0, 1, 32, { 0xa5a5a5a5UL, }, { 0x52d2d2d2UL, }, },
579
+ { 0, 8, 32, { 0xdeadc0deUL, }, { 0x00deadc0UL, }, },
580
+ { 1, 1, 32, { 0x5a5a5a5aUL, }, { 0x2d2d2d2cUL, }, },
581
+ { 0, 15, 32, { 0xa5a5a5a5UL, }, { 0x00014b4bUL, }, },
582
+ { 0, 16, 32, { 0xa5a5a5a5UL, }, { 0x0000a5a5UL, }, },
583
+ { 15, 15, 32, { 0xa5a5a5a5UL, }, { 0x000125a5UL, }, },
584
+ { 15, 16, 32, { 0xa5a5a5a5UL, }, { 0x0000a5a5UL, }, },
585
+ { 16, 15, 32, { 0xa5a5a5a5UL, }, { 0x0001a5a5UL, }, },
586
+
587
+ { BITS_PER_LONG, BITS_PER_LONG, BITS_PER_LONG,
588
+ { 0xa5a5a5a5UL, 0xa5a5a5a5UL, },
589
+ { 0xa5a5a5a5UL, 0xa5a5a5a5UL, },
590
+ },
591
+ { 1, BITS_PER_LONG - 1, BITS_PER_LONG,
592
+ { 0xa5a5a5a5UL, 0xa5a5a5a5UL, },
593
+ { 0x00000001UL, 0x00000001UL, },
594
+ },
595
+
596
+ { 0, BITS_PER_LONG * 2, BITS_PER_LONG * 2 + 1,
597
+ { 0xa5a5a5a5UL, 0x00000001UL, 0x00000001UL, 0x00000001UL },
598
+ { 0x00000001UL, },
599
+ },
600
+ { 16, BITS_PER_LONG * 2 + 1, BITS_PER_LONG * 2 + 1 + 16,
601
+ { 0x0000ffffUL, 0x5a5a5a5aUL, 0x5a5a5a5aUL, 0x5a5a5a5aUL },
602
+ { 0x2d2dffffUL, },
603
+ },
604
+};
605
+
606
+static void __init test_bitmap_cut(void)
607
+{
608
+ unsigned long b[5], *in = &b[1], *out = &b[0]; /* Partial overlap */
609
+ int i;
610
+
611
+ for (i = 0; i < ARRAY_SIZE(test_cut); i++) {
612
+ struct test_bitmap_cut *t = &test_cut[i];
613
+
614
+ memcpy(in, t->in, sizeof(t->in));
615
+
616
+ bitmap_cut(out, in, t->first, t->cut, t->nbits);
617
+
618
+ expect_eq_bitmap(t->expected, out, t->nbits);
619
+ }
620
+}
621
+
622
+static void __init selftest(void)
365623 {
366624 test_zero_clear();
367625 test_fill_set();
368626 test_copy();
627
+ test_replace();
369628 test_bitmap_arr32();
629
+ test_bitmap_parse();
370630 test_bitmap_parselist();
371631 test_mem_optimisations();
372
-
373
- if (failed_tests == 0)
374
- pr_info("all %u tests passed\n", total_tests);
375
- else
376
- pr_warn("failed %u out of %u tests\n",
377
- failed_tests, total_tests);
378
-
379
- return failed_tests ? -EINVAL : 0;
632
+ test_for_each_set_clump8();
633
+ test_bitmap_cut();
380634 }
381635
382
-static void __exit test_bitmap_cleanup(void)
383
-{
384
-}
385
-
386
-module_init(test_bitmap_init);
387
-module_exit(test_bitmap_cleanup);
388
-
636
+KSTM_MODULE_LOADERS(test_bitmap);
389637 MODULE_AUTHOR("david decotigny <david.decotigny@googlers.com>");
390638 MODULE_LICENSE("GPL");