| 329 | |
| 330 | #ifdef RT_DEBUGGING_PAGE_POISON |
| 331 | static rt_err_t _unpoisoned_pages(char *head, rt_uint32_t size_bits) |
| 332 | { |
| 333 | rt_err_t error = RT_EOK; |
| 334 | struct installed_page_reg *page_reg = _find_page_region((rt_ubase_t)head); |
| 335 | |
| 336 | if (page_reg) |
| 337 | { |
| 338 | int pages_count = 1 << size_bits; |
| 339 | long bit_number = ((rt_ubase_t)head - page_reg->region_area.start) / ARCH_PAGE_SIZE; |
| 340 | |
| 341 | /* mark the pages as allocated */ |
| 342 | for (size_t i = 0; i < pages_count; i++, bit_number++) |
| 343 | { |
| 344 | rt_spin_lock(&_inst_page_reg_lock); |
| 345 | if (rt_bitmap_test_bit(page_reg->usage_trace, bit_number)) |
| 346 | { |
| 347 | error = RT_ERROR; |
| 348 | rt_kprintf("%s: Pages[%p, %d] is already in used by others!\n", __func__, head, size_bits); |
| 349 | } |
| 350 | rt_bitmap_set_bit(page_reg->usage_trace, bit_number); |
| 351 | rt_spin_unlock(&_inst_page_reg_lock); |
| 352 | } |
| 353 | } |
| 354 | else |
| 355 | { |
| 356 | error = RT_EINVAL; |
| 357 | } |
| 358 | |
| 359 | return -error; |
| 360 | } |
| 361 | |
| 362 | static rt_err_t _poisoned_pages(char *head, rt_uint32_t size_bits) |
| 363 | { |
no test coverage detected