cp/mm/page.c

   1 /*
   2  * (C) Copyright 2007-2010  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #include <list.h>
   9 #include <page.h>
  10 #include <mm.h>
  11
  12 /*
  13  * Main storage size
  14  */
  15 u64 memsize;
  16
  17 /*
  18  * Initialize fields in a struct page
  19  */
  20 static void __init_page(struct page *page)
  21 {
  22         INIT_LIST_HEAD(&page->buddy);
  23 }
  24
  25 /*
  26  * Initialize struct page for each available page
  27  */
  28 void init_pages(void)
  29 {
  30         u64 pnum;
  31
  32         for(pnum=0; pnum < (memsize>>PAGE_SHIFT); pnum++)
  33                 __init_page(page_num_to_ptr(pnum));
  34 }
  35