mm: refactor TLB gathering API

[karo-tx-linux.git] / mm / memblock.c

diff --git a/mm/memblock.c b/mm/memblock.c
index b049c9b2dba8718a6f57777591c2f2753d8d40ad..2cb25fe4452c279c5ff6ff74cbbfee64128d820e 100644 (file)
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -54,9 +54,6 @@ struct memblock memblock __initdata_memblock = {
 };
 
 int memblock_debug __initdata_memblock;
-#ifdef CONFIG_MOVABLE_NODE
-bool movable_node_enabled __initdata_memblock = false;
-#endif
 static bool system_has_some_mirror __initdata_memblock = false;
 static int memblock_can_resize __initdata_memblock;
 static int memblock_memory_in_slab __initdata_memblock = 0;
@@ -1739,6 +1736,29 @@ static void __init_memblock memblock_dump(struct memblock_type *type)
        }
 }
 
+extern unsigned long __init_memblock
+memblock_reserved_memory_within(phys_addr_t start_addr, phys_addr_t end_addr)
+{
+       struct memblock_region *rgn;
+       unsigned long size = 0;
+       int idx;
+
+       for_each_memblock_type((&memblock.reserved), rgn) {
+               phys_addr_t start, end;
+
+               if (rgn->base + rgn->size < start_addr)
+                       continue;
+               if (rgn->base > end_addr)
+                       continue;
+
+               start = rgn->base;
+               end = start + rgn->size;
+               size += end - start;
+       }
+
+       return size;
+}
+
 void __init_memblock __memblock_dump_all(void)
 {
        pr_info("MEMBLOCK configuration:\n");