内存管理之内存初始化内存管理...

study/kernel/02-memory/03-initialize/1.c

@@ -0,0 +1,13 @@
+#ifndef CONFIG_NO_BOOTMEM
+/*
+* node_bootmem_map is a map pointer - the bits represent all physical 
+* memory pages (including holes) on the node.
+*/
+typedef struct bootmem_data {
+       unsigned long node_min_pfn;
+       unsigned long node_low_pfn;
+       void *node_bootmem_map;
+       unsigned long last_end_off;
+       unsigned long hint_idx;
+       struct list_head list;
+} bootmem_data_t;