This source file includes following definitions.
- check_one_table
- check_page_tables
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7 #include <linux/signal.h>
8 #include <linux/sched.h>
9 #include <linux/head.h>
10 #include <linux/kernel.h>
11 #include <linux/errno.h>
12 #include <linux/string.h>
13 #include <linux/types.h>
14 #include <linux/ptrace.h>
15 #include <linux/mman.h>
16 #include <linux/mm.h>
17
18 #include <asm/system.h>
19
20 static int check_one_table(struct pde * page_dir)
21 {
22 if (pgd_none(*page_dir))
23 return 0;
24 if (pgd_bad(*page_dir))
25 return 1;
26 return 0;
27 }
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31
32 void check_page_tables(void)
33 {
34 struct pgd * pg_dir;
35 static int err = 0;
36
37 int stack_level = (long)(&pg_dir)-current->kernel_stack_page;
38 if (stack_level < 1500) printk ("** %d ** ",stack_level);
39 pg_dir = PAGE_DIR_OFFSET(current, 0);
40 if (err == 0) {
41 int i;
42 for (i = 0 ; i < PTRS_PER_PAGE ; i++,page_dir++){
43 int notok = check_one_table(page_dir);
44 if (notok){
45 err++;
46 printk ("|%d:%08lx| ",i, page_dir->pgd);
47 }
48 }
49 if (err) printk ("\nErreur MM %d\n",err);
50 }
51 }