Lines Matching defs:buf
66 void *buf;
70 buf = page_address(page);
71 fill_with_garbage(buf, size);
75 buf = page_address(page);
76 if (count_nonzero_bytes(buf, size))
78 fill_with_garbage(buf, size);
100 void *buf;
102 buf = kmalloc(size, GFP_KERNEL);
103 fill_with_garbage(buf, size);
104 kfree(buf);
106 buf = kmalloc(size, GFP_KERNEL);
107 if (count_nonzero_bytes(buf, size))
109 fill_with_garbage(buf, size);
110 kfree(buf);
117 void *buf;
119 buf = vmalloc(size);
120 fill_with_garbage(buf, size);
121 vfree(buf);
123 buf = vmalloc(size);
124 if (count_nonzero_bytes(buf, size))
126 fill_with_garbage(buf, size);
127 vfree(buf);
166 static bool __init check_buf(void *buf, int size, bool want_ctor,
172 bytes = count_nonzero_bytes(buf, size);
177 if (*(unsigned int *)buf != CTOR_PATTERN)
203 void *buf, *buf_copy;
224 buf = kmem_cache_alloc(c, alloc_mask);
225 /* Check that buf is zeroed, if it must be. */
226 fail |= check_buf(buf, size, want_ctor, want_rcu, want_zero);
227 fill_with_garbage_skip(buf, size, want_ctor ? CTOR_BYTES : 0);
230 kmem_cache_free(c, buf);
245 memcpy(buf_copy, buf, size);
247 kmem_cache_free(c, buf);
249 * Check that |buf| is intact after kmem_cache_free().
253 fail |= check_buf(buf, size, want_ctor, want_rcu,
256 fail |= (bool)memcmp(buf, buf_copy, size);
274 void *buf, *buf_contents, *saved_ptr;
281 buf = kmem_cache_alloc(c, GFP_KERNEL);
282 saved_ptr = buf;
283 fill_with_garbage(buf, size);
292 memcpy(buf_contents, buf, size);
293 kmem_cache_free(c, buf);
299 buf = kmem_cache_alloc(c, GFP_KERNEL);
300 used_objects[iter] = buf;
301 if (buf == saved_ptr) {
302 fail = memcmp(buf_contents, buf, size);