void __init setup_bios_corruption_check(void)
{
- u64 addr = PAGE_SIZE; /* assume first page is reserved anyway */
+ phys_addr_t start, end;
+ u64 i;
if (memory_corruption_check == -1) {
memory_corruption_check =
corruption_check_size = round_up(corruption_check_size, PAGE_SIZE);
- while (addr < corruption_check_size && num_scan_areas < MAX_SCAN_AREAS) {
- u64 size;
- addr = memblock_x86_find_in_range_size(addr, &size, PAGE_SIZE);
+ for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) {
+ start = clamp_t(phys_addr_t, round_up(start, PAGE_SIZE),
+ PAGE_SIZE, corruption_check_size);
+ end = clamp_t(phys_addr_t, round_down(end, PAGE_SIZE),
+ PAGE_SIZE, corruption_check_size);
+ if (start >= end)
+ continue;
- if (addr == MEMBLOCK_ERROR)
- break;
-
- if (addr >= corruption_check_size)
- break;
-
- if ((addr + size) > corruption_check_size)
- size = corruption_check_size - addr;
-
- memblock_x86_reserve_range(addr, addr + size, "SCAN RAM");
- scan_areas[num_scan_areas].addr = addr;
- scan_areas[num_scan_areas].size = size;
- num_scan_areas++;
+ memblock_reserve(start, end - start);
+ scan_areas[num_scan_areas].addr = start;
+ scan_areas[num_scan_areas].size = end - start;
/* Assume we've already mapped this early memory */
- memset(__va(addr), 0, size);
+ memset(__va(start), 0, end - start);
- addr += size;
+ if (++num_scan_areas >= MAX_SCAN_AREAS)
+ break;
}
if (num_scan_areas)