CRIS: Remove unnecessary CVS log from cris/mm/init.c
[linux-2.6.git] / arch / cris / mm / init.c
1 /*
2  *  linux/arch/cris/mm/init.c
3  *
4  *  Copyright (C) 1995  Linus Torvalds
5  *  Copyright (C) 2000,2001  Axis Communications AB
6  *
7  *  Authors:  Bjorn Wesen (bjornw@axis.com)
8  *
9  */
10
11 #include <linux/init.h>
12 #include <linux/bootmem.h>
13 #include <asm/tlb.h>
14
15 DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
16
17 unsigned long empty_zero_page;
18
19 extern char _stext, _edata, _etext; /* From linkerscript */
20 extern char __init_begin, __init_end;
21
22 void 
23 show_mem(void)
24 {
25         int i,free = 0,total = 0,cached = 0, reserved = 0, nonshared = 0;
26         int shared = 0;
27
28         printk("\nMem-info:\n");
29         show_free_areas();
30         printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
31         i = max_mapnr;
32         while (i-- > 0) {
33                 total++;
34                 if (PageReserved(mem_map+i))
35                         reserved++;
36                 else if (PageSwapCache(mem_map+i))
37                         cached++;
38                 else if (!page_count(mem_map+i))
39                         free++;
40                 else if (page_count(mem_map+i) == 1)
41                         nonshared++;
42                 else
43                         shared += page_count(mem_map+i) - 1;
44         }
45         printk("%d pages of RAM\n",total);
46         printk("%d free pages\n",free);
47         printk("%d reserved pages\n",reserved);
48         printk("%d pages nonshared\n",nonshared);
49         printk("%d pages shared\n",shared);
50         printk("%d pages swap cached\n",cached);
51 }
52
53 void __init
54 mem_init(void)
55 {
56         int codesize, reservedpages, datasize, initsize;
57         unsigned long tmp;
58
59         if(!mem_map)
60                 BUG();
61
62         /* max/min_low_pfn was set by setup.c
63          * now we just copy it to some other necessary places...
64          *
65          * high_memory was also set in setup.c
66          */
67
68         max_mapnr = num_physpages = max_low_pfn - min_low_pfn;
69  
70         /* this will put all memory onto the freelists */
71         totalram_pages = free_all_bootmem();
72
73         reservedpages = 0;
74         for (tmp = 0; tmp < max_mapnr; tmp++) {
75                 /*
76                  * Only count reserved RAM pages
77                  */
78                 if (PageReserved(mem_map + tmp))
79                         reservedpages++;
80         }
81
82         codesize =  (unsigned long) &_etext - (unsigned long) &_stext;
83         datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
84         initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
85         
86         printk(KERN_INFO
87                "Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, "
88                "%dk init)\n" ,
89                (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
90                max_mapnr << (PAGE_SHIFT-10),
91                codesize >> 10,
92                reservedpages << (PAGE_SHIFT-10),
93                datasize >> 10,
94                initsize >> 10
95                );
96 }
97
98 /* free the pages occupied by initialization code */
99
100 void 
101 free_initmem(void)
102 {
103         unsigned long addr;
104
105         addr = (unsigned long)(&__init_begin);
106         for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
107                 ClearPageReserved(virt_to_page(addr));
108                 init_page_count(virt_to_page(addr));
109                 free_page(addr);
110                 totalram_pages++;
111         }
112         printk (KERN_INFO "Freeing unused kernel memory: %luk freed\n",
113                 (unsigned long)((&__init_end - &__init_begin) >> 10));
114 }