Print out statistics in relation to fragmentation avoidance to /proc/pagetypeinfo

[safe/jmp/linux-2.6] / fs / proc / proc_misc.c

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 0071939..5de7f87 100644 (file)
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -229,6 +229,19 @@ static const struct file_operations fragmentation_file_operations = {
        .release        = seq_release,
 };
 
+extern struct seq_operations pagetypeinfo_op;
+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,
+};
+
 extern struct seq_operations zoneinfo_op;
 static int zoneinfo_open(struct inode *inode, struct file *file)
 {
@@ -724,6 +737,7 @@ void __init proc_misc_init(void)
 #endif
 #endif
        create_seq_entry("buddyinfo",S_IRUGO, &fragmentation_file_operations);
+       create_seq_entry("pagetypeinfo", S_IRUGO, &pagetypeinfo_file_ops);
        create_seq_entry("vmstat",S_IRUGO, &proc_vmstat_file_operations);
        create_seq_entry("zoneinfo",S_IRUGO, &proc_zoneinfo_file_operations);
 #ifdef CONFIG_BLOCK