proc: move /proc/zoneinfo boilerplate to mm/vmstat.c
[linux-2.6.git] / fs / proc / proc_misc.c
index a6fadc0..8f3a6f0 100644 (file)
 #include <asm/div64.h>
 #include "internal.h"
 
-static int fragmentation_open(struct inode *inode, struct file *file)
-{
-       (void)inode;
-       return seq_open(file, &fragmentation_op);
-}
-
-static const struct file_operations fragmentation_file_operations = {
-       .open           = fragmentation_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int pagetypeinfo_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &pagetypeinfo_op);
-}
-
-static const struct file_operations pagetypeinfo_file_ops = {
-       .open           = pagetypeinfo_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int zoneinfo_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &zoneinfo_op);
-}
-
-static const struct file_operations proc_zoneinfo_file_operations = {
-       .open           = zoneinfo_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-extern const struct seq_operations cpuinfo_op;
-static int cpuinfo_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &cpuinfo_op);
-}
-
-static const struct file_operations proc_cpuinfo_operations = {
-       .open           = cpuinfo_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-static int vmstat_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &vmstat_op);
-}
-static const struct file_operations proc_vmstat_file_operations = {
-       .open           = vmstat_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
 #ifdef CONFIG_BLOCK
-static int partitions_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &partitions_op);
-}
-static const struct file_operations proc_partitions_operations = {
-       .open           = partitions_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
 static int diskstats_open(struct inode *inode, struct file *file)
 {
        return seq_open(file, &diskstats_op);
@@ -156,244 +84,6 @@ static const struct file_operations proc_modules_operations = {
 };
 #endif
 
-#ifdef CONFIG_SLABINFO
-static int slabinfo_open(struct inode *inode, struct file *file)
-{
-       return seq_open(file, &slabinfo_op);
-}
-static const struct file_operations proc_slabinfo_operations = {
-       .open           = slabinfo_open,
-       .read           = seq_read,
-       .write          = slabinfo_write,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
-#ifdef CONFIG_DEBUG_SLAB_LEAK
-extern const struct seq_operations slabstats_op;
-static int slabstats_open(struct inode *inode, struct file *file)
-{
-       unsigned long *n = kzalloc(PAGE_SIZE, GFP_KERNEL);
-       int ret = -ENOMEM;
-       if (n) {
-               ret = seq_open(file, &slabstats_op);
-               if (!ret) {
-                       struct seq_file *m = file->private_data;
-                       *n = PAGE_SIZE / (2 * sizeof(unsigned long));
-                       m->private = n;
-                       n = NULL;
-               }
-               kfree(n);
-       }
-       return ret;
-}
-
-static const struct file_operations proc_slabstats_operations = {
-       .open           = slabstats_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release_private,
-};
-#endif
-#endif
-
-#ifdef CONFIG_MMU
-static int vmalloc_open(struct inode *inode, struct file *file)
-{
-       unsigned int *ptr = NULL;
-       int ret;
-
-       if (NUMA_BUILD)
-               ptr = kmalloc(nr_node_ids * sizeof(unsigned int), GFP_KERNEL);
-       ret = seq_open(file, &vmalloc_op);
-       if (!ret) {
-               struct seq_file *m = file->private_data;
-               m->private = ptr;
-       } else
-               kfree(ptr);
-       return ret;
-}
-
-static const struct file_operations proc_vmalloc_operations = {
-       .open           = vmalloc_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release_private,
-};
-#endif
-
-#ifndef arch_irq_stat_cpu
-#define arch_irq_stat_cpu(cpu) 0
-#endif
-#ifndef arch_irq_stat
-#define arch_irq_stat() 0
-#endif
-
-static int show_stat(struct seq_file *p, void *v)
-{
-       int i, j;
-       unsigned long jif;
-       cputime64_t user, nice, system, idle, iowait, irq, softirq, steal;
-       cputime64_t guest;
-       u64 sum = 0;
-       struct timespec boottime;
-       unsigned int per_irq_sum;
-
-       user = nice = system = idle = iowait =
-               irq = softirq = steal = cputime64_zero;
-       guest = cputime64_zero;
-       getboottime(&boottime);
-       jif = boottime.tv_sec;
-
-       for_each_possible_cpu(i) {
-               user = cputime64_add(user, kstat_cpu(i).cpustat.user);
-               nice = cputime64_add(nice, kstat_cpu(i).cpustat.nice);
-               system = cputime64_add(system, kstat_cpu(i).cpustat.system);
-               idle = cputime64_add(idle, kstat_cpu(i).cpustat.idle);
-               iowait = cputime64_add(iowait, kstat_cpu(i).cpustat.iowait);
-               irq = cputime64_add(irq, kstat_cpu(i).cpustat.irq);
-               softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
-               steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
-               guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
-
-               for_each_irq_nr(j)
-                       sum += kstat_irqs_cpu(j, i);
-
-               sum += arch_irq_stat_cpu(i);
-       }
-       sum += arch_irq_stat();
-
-       seq_printf(p, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
-               (unsigned long long)cputime64_to_clock_t(user),
-               (unsigned long long)cputime64_to_clock_t(nice),
-               (unsigned long long)cputime64_to_clock_t(system),
-               (unsigned long long)cputime64_to_clock_t(idle),
-               (unsigned long long)cputime64_to_clock_t(iowait),
-               (unsigned long long)cputime64_to_clock_t(irq),
-               (unsigned long long)cputime64_to_clock_t(softirq),
-               (unsigned long long)cputime64_to_clock_t(steal),
-               (unsigned long long)cputime64_to_clock_t(guest));
-       for_each_online_cpu(i) {
-
-               /* Copy values here to work around gcc-2.95.3, gcc-2.96 */
-               user = kstat_cpu(i).cpustat.user;
-               nice = kstat_cpu(i).cpustat.nice;
-               system = kstat_cpu(i).cpustat.system;
-               idle = kstat_cpu(i).cpustat.idle;
-               iowait = kstat_cpu(i).cpustat.iowait;
-               irq = kstat_cpu(i).cpustat.irq;
-               softirq = kstat_cpu(i).cpustat.softirq;
-               steal = kstat_cpu(i).cpustat.steal;
-               guest = kstat_cpu(i).cpustat.guest;
-               seq_printf(p,
-                       "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu\n",
-                       i,
-                       (unsigned long long)cputime64_to_clock_t(user),
-                       (unsigned long long)cputime64_to_clock_t(nice),
-                       (unsigned long long)cputime64_to_clock_t(system),
-                       (unsigned long long)cputime64_to_clock_t(idle),
-                       (unsigned long long)cputime64_to_clock_t(iowait),
-                       (unsigned long long)cputime64_to_clock_t(irq),
-                       (unsigned long long)cputime64_to_clock_t(softirq),
-                       (unsigned long long)cputime64_to_clock_t(steal),
-                       (unsigned long long)cputime64_to_clock_t(guest));
-       }
-       seq_printf(p, "intr %llu", (unsigned long long)sum);
-
-       /* sum again ? it could be updated? */
-       for_each_irq_nr(j) {
-               per_irq_sum = 0;
-
-               for_each_possible_cpu(i)
-                       per_irq_sum += kstat_irqs_cpu(j, i);
-
-               seq_printf(p, " %u", per_irq_sum);
-       }
-
-       seq_printf(p,
-               "\nctxt %llu\n"
-               "btime %lu\n"
-               "processes %lu\n"
-               "procs_running %lu\n"
-               "procs_blocked %lu\n",
-               nr_context_switches(),
-               (unsigned long)jif,
-               total_forks,
-               nr_running(),
-               nr_iowait());
-
-       return 0;
-}
-
-static int stat_open(struct inode *inode, struct file *file)
-{
-       unsigned size = 4096 * (1 + num_possible_cpus() / 32);
-       char *buf;
-       struct seq_file *m;
-       int res;
-
-       /* don't ask for more than the kmalloc() max size, currently 128 KB */
-       if (size > 128 * 1024)
-               size = 128 * 1024;
-       buf = kmalloc(size, GFP_KERNEL);
-       if (!buf)
-               return -ENOMEM;
-
-       res = single_open(file, show_stat, NULL);
-       if (!res) {
-               m = file->private_data;
-               m->buf = buf;
-               m->size = size;
-       } else
-               kfree(buf);
-       return res;
-}
-static const struct file_operations proc_stat_operations = {
-       .open           = stat_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
-
-/*
- * /proc/interrupts
- */
-static void *int_seq_start(struct seq_file *f, loff_t *pos)
-{
-       return (*pos <= nr_irqs) ? pos : NULL;
-}
-
-
-static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
-{
-       (*pos)++;
-       return (*pos <= nr_irqs) ? pos : NULL;
-}
-
-static void int_seq_stop(struct seq_file *f, void *v)
-{
-       /* Nothing to do */
-}
-
-static const struct seq_operations int_seq_ops = {
-       .start = int_seq_start,
-       .next  = int_seq_next,
-       .stop  = int_seq_stop,
-       .show  = show_interrupts
-};
-
-static int interrupts_open(struct inode *inode, struct file *filp)
-{
-       return seq_open(filp, &int_seq_ops);
-}
-
-static const struct file_operations proc_interrupts_operations = {
-       .open           = interrupts_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = seq_release,
-};
-
 #ifdef CONFIG_PROC_PAGE_MONITOR
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
@@ -532,25 +222,6 @@ void __init proc_misc_init(void)
        proc_symlink("mounts", NULL, "self/mounts");
 
        /* And now for trickier ones */
-       proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
-#ifdef CONFIG_BLOCK
-       proc_create("partitions", 0, NULL, &proc_partitions_operations);
-#endif
-       proc_create("stat", 0, NULL, &proc_stat_operations);
-       proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
-#ifdef CONFIG_SLABINFO
-       proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
-#ifdef CONFIG_DEBUG_SLAB_LEAK
-       proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
-#endif
-#endif
-#ifdef CONFIG_MMU
-       proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
-#endif
-       proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations);
-       proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops);
-       proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations);
-       proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations);
 #ifdef CONFIG_BLOCK
        proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
 #endif