}
}
+#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
+
phys_addr_t __init_memblock get_allocated_memblock_reserved_regions_info(
phys_addr_t *addr)
{
if (memblock.reserved.regions == memblock_reserved_init_regions)
return 0;
- /*
- * Don't allow nobootmem allocator to free reserved memory regions
- * array if
- * - CONFIG_DEBUG_FS is enabled;
- * - CONFIG_ARCH_DISCARD_MEMBLOCK is not enabled;
- * - reserved memory regions array have been resized during boot.
- * Otherwise debug_fs entry "sys/kernel/debug/memblock/reserved"
- * will show garbage instead of state of memory reservations.
- */
- if (IS_ENABLED(CONFIG_DEBUG_FS) &&
- !IS_ENABLED(CONFIG_ARCH_DISCARD_MEMBLOCK))
- return 0;
-
*addr = __pa(memblock.reserved.regions);
return PAGE_ALIGN(sizeof(struct memblock_region) *
memblock.reserved.max);
}
-#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
-
phys_addr_t __init_memblock get_allocated_memblock_memory_regions_info(
phys_addr_t *addr)
{
if (!align)
align = SMP_CACHE_BYTES;
- /* align @size to avoid excessive fragmentation on reserved array */
- size = round_up(size, align);
-
found = memblock_find_in_range_node(size, align, 0, max_addr, nid);
if (found && !memblock_reserve(found, size))
return found;
if (!align)
align = SMP_CACHE_BYTES;
- /* align @size to avoid excessive fragmentation on reserved array */
- size = round_up(size, align);
-
again:
alloc = memblock_find_in_range_node(size, align, min_addr, max_addr,
nid);