patch-2.4.22 linux-2.4.22/arch/arm/mm/init.c

• Lines: 124
• Date: 2003-08-25 04:44:39.000000000 -0700
• Orig file: linux-2.4.21/arch/arm/mm/init.c
• Orig date: 2001-10-11 09:04:57.000000000 -0700

diff -urN linux-2.4.21/arch/arm/mm/init.c linux-2.4.22/arch/arm/mm/init.c
@@ -1,7 +1,7 @@
 /*
  *  linux/arch/arm/mm/init.c
  *
- *  Copyright (C) 1995-2000 Russell King
+ *  Copyright (C) 1995-2002 Russell King
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -46,11 +46,13 @@
 #define TABLE_OFFSET	0
 #endif
 
-#define TABLE_SIZE	((TABLE_OFFSET + PTRS_PER_PTE) * sizeof(void *))
+#define TABLE_SIZE	((TABLE_OFFSET + PTRS_PER_PTE) * sizeof(pte_t))
 
 static unsigned long totalram_pages;
 extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
 extern char _stext, _text, _etext, _end, __init_begin, __init_end;
+extern unsigned long phys_initrd_start;
+extern unsigned long phys_initrd_size;
 
 /*
  * The sole use of this is to pass memory configuration
@@ -292,6 +294,7 @@
 	 * also get rid of some of the stuff above as well.
 	 */
 	max_low_pfn = memend_pfn - O_PFN_DOWN(PHYS_OFFSET);
+//	max_pfn = memend_pfn - O_PFN_DOWN(PHYS_OFFSET);
 	mi->end = memend_pfn << PAGE_SHIFT;
 
 	return bootmem_pages;
@@ -302,16 +305,16 @@
 	int initrd_node = -2;
 
 #ifdef CONFIG_BLK_DEV_INITRD
+	unsigned long end = phys_initrd_start + phys_initrd_size;
+
 	/*
 	 * Make sure that the initrd is within a valid area of
 	 * memory.
 	 */
-	if (initrd_start) {
-		unsigned long phys_initrd_start, phys_initrd_end;
+	if (phys_initrd_size) {
 		unsigned int i;
 
-		phys_initrd_start = __pa(initrd_start);
-		phys_initrd_end   = __pa(initrd_end);
+		initrd_node = -1;
 
 		for (i = 0; i < mi->nr_banks; i++) {
 			unsigned long bank_end;
@@ -319,7 +322,7 @@
 			bank_end = mi->bank[i].start + mi->bank[i].size;
 
 			if (mi->bank[i].start <= phys_initrd_start &&
-			    phys_initrd_end <= bank_end)
+			    end <= bank_end)
 				initrd_node = mi->bank[i].node;
 		}
 	}
@@ -327,8 +330,8 @@
 	if (initrd_node == -1) {
 		printk(KERN_ERR "initrd (0x%08lx - 0x%08lx) extends beyond "
 		       "physical memory - disabling initrd\n",
-		       initrd_start, initrd_end);
-		initrd_start = initrd_end = 0;
+		       phys_initrd_start, end);
+		phys_initrd_start = phys_initrd_size = 0;
 	}
 #endif
 
@@ -354,7 +357,7 @@
 	 * and can only be in node 0.
 	 */
 	reserve_bootmem_node(pgdat, __pa(swapper_pg_dir),
-			     PTRS_PER_PGD * sizeof(void *));
+			     PTRS_PER_PGD * sizeof(pgd_t));
 #endif
 	/*
 	 * And don't forget to reserve the allocator bitmap,
@@ -378,7 +381,7 @@
 	 */
 	if (machine_is_archimedes() || machine_is_a5k())
 		reserve_bootmem_node(pgdat, 0x02000000, 0x00080000);
-	if (machine_is_edb7211())
+	if (machine_is_edb7211() || machine_is_fortunet())
 		reserve_bootmem_node(pgdat, 0xc0000000, 0x00020000);
 	if (machine_is_p720t())
 		reserve_bootmem_node(pgdat, PHYS_OFFSET, 0x00014000);
@@ -469,9 +472,12 @@
 
 
 #ifdef CONFIG_BLK_DEV_INITRD
-	if (initrd_node >= 0)
-		reserve_bootmem_node(NODE_DATA(initrd_node), __pa(initrd_start),
-				     initrd_end - initrd_start);
+	if (phys_initrd_size && initrd_node >= 0) {
+		reserve_bootmem_node(NODE_DATA(initrd_node), phys_initrd_start,
+				     phys_initrd_size);
+		initrd_start = __phys_to_virt(phys_initrd_start);
+		initrd_end = initrd_start + phys_initrd_size;
+	}
 #endif
 
 	if (map_pg != bootmap_pfn + bootmap_pages)
@@ -501,6 +507,7 @@
 	memtable_init(mi);
 	if (mdesc->map_io)
 		mdesc->map_io();
+	flush_cache_all();
 	flush_tlb_all();
 
 	/*
@@ -583,7 +590,7 @@
 	}
 
 	if (size && s)
-		printk("Freeing %s memory: %dK\n", s, size);
+		printk(KERN_INFO "Freeing %s memory: %dK\n", s, size);
 }
 
 /*