if (!addr)
return NULL;
- memblock_reserve(addr, size);
+ if (memblock_reserve(addr, size))
+ return NULL;
+
ptr = phys_to_virt(addr);
memset(ptr, 0, size);
/*
static unsigned long __init free_low_memory_core_early(void)
{
unsigned long count = 0;
- phys_addr_t start, end, size;
+ phys_addr_t start, end;
u64 i;
for_each_free_mem_range(i, NUMA_NO_NODE, &start, &end, NULL)
count += __free_memory_core(start, end);
- /* free range that is used for reserved array if we allocate it */
- size = get_allocated_memblock_reserved_regions_info(&start);
- if (size)
- count += __free_memory_core(start, start + size);
+#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
+ {
+ phys_addr_t size;
+
+ /* Free memblock.reserved array if it was allocated */
+ size = get_allocated_memblock_reserved_regions_info(&start);
+ if (size)
+ count += __free_memory_core(start, start + size);
+
+ /* Free memblock.memory array if it was allocated */
+ size = get_allocated_memblock_memory_regions_info(&start);
+ if (size)
+ count += __free_memory_core(start, start + size);
+ }
+#endif
return count;
}