diff options
Diffstat (limited to 'kernel/mm/physical_mm/physical_mm.c')
| -rw-r--r-- | kernel/mm/physical_mm/physical_mm.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/kernel/mm/physical_mm/physical_mm.c b/kernel/mm/physical_mm/physical_mm.c index 81656ed..d0d859c 100644 --- a/kernel/mm/physical_mm/physical_mm.c +++ b/kernel/mm/physical_mm/physical_mm.c @@ -102,10 +102,8 @@ physical_mm_init(void) for (uint32_t i = 0; i < MAX_BLOCKS / BITMAP_ENTRY_SIZE; i++) memory_map[i] = 0xffffffff; - uint32_t total_free_memory = 0; for (int i = 0; i < free_memory_regions->n_regions; i++) { multiboot_memory_map_t *region = free_memory_regions->region_list[i]; - total_free_memory += region->len_low; physical_mm_initialize_region(region->addr_low, region->len_low); } @@ -117,26 +115,16 @@ physical_mm_init(void) spinlock_release(&memory_map_lock); - total_free_memory -= kernel_size; - block_count = total_free_memory / BLOCK_SIZE; - printk("\nphysical_mm", "Total blocks: 0x%x", block_count); - printk("physical_mm", "Total free blocks: 0x%x", total_free_blocks); - -#if 0 /* Manually loop through and calculate the number of free blocks. */ - uint32_t free_blcks = 0; for (uint32_t i = 0; i < MAX_BLOCKS / BITMAP_ENTRY_SIZE; i++) /* At least one block in the entry isn't in use */ if (memory_map[i] != 0xffffffff) /* Test each bit to see if it's zero */ for (uint32_t j = 0; j < BITMAP_ENTRY_SIZE; j++) if (!physical_mm_test_bit(i * BITMAP_ENTRY_SIZE + j, memory_map)) - free_blcks++; + total_free_blocks++; - printk("physical_mm", - "Experimentally calculated free blocks: 0x%x", - free_blcks); -#endif + printk("physical_mm", "Total free blocks: 0x%x", total_free_blocks); } uint32_t |