#include <linux/of_reserved_mem.h>
#include <linux/sort.h>
#include <linux/slab.h>
+#include <linux/memblock.h>
#define MAX_RESERVED_REGIONS 32
static struct reserved_mem reserved_mem[MAX_RESERVED_REGIONS];
static int reserved_mem_count;
-#if defined(CONFIG_HAVE_MEMBLOCK)
-#include <linux/memblock.h>
int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
phys_addr_t *res_base)
* panic()s on allocation failure.
*/
end = !end ? MEMBLOCK_ALLOC_ANYWHERE : end;
+ align = !align ? SMP_CACHE_BYTES : align;
base = __memblock_alloc_base(size, align, end);
if (!base)
return -ENOMEM;
return memblock_remove(base, size);
return 0;
}
-#else
-int __init __weak early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
- phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
- phys_addr_t *res_base)
-{
- pr_err("Reserved memory not supported, ignoring region 0x%llx%s\n",
- size, nomap ? " (nomap)" : "");
- return -ENOSYS;
-}
-#endif
/**
* res_mem_save_node() - save fdt node for second pass initialization