diff options
| author | Nikita Danilov <nikita@clusterfs.com> | 2005-06-21 17:14:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-21 18:46:14 -0700 |
| commit | 295ab93497ec703f7d6eaf0787dd9768b83035fe (patch) | |
| tree | e3dce05d4cab0d7d3907a7357d37932c99ffd76d /fs/proc | |
| parent | 05b7438475ddbac47e75506913d44550f0e75938 (diff) | |
| download | lwn-295ab93497ec703f7d6eaf0787dd9768b83035fe.tar.gz lwn-295ab93497ec703f7d6eaf0787dd9768b83035fe.zip | |
[PATCH] mm: add /proc/zoneinfo
Add /proc/zoneinfo file to display information about memory zones. Useful
to analyze VM behaviour.
Signed-off-by: Nikita Danilov <nikita@clusterfs.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/proc_misc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index a60a3b3d8a7b..63a9fbf1ac51 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -219,6 +219,19 @@ static struct file_operations fragmentation_file_operations = { .release = seq_release, }; +extern struct seq_operations zoneinfo_op; +static int zoneinfo_open(struct inode *inode, struct file *file) +{ + return seq_open(file, &zoneinfo_op); +} + +static struct file_operations proc_zoneinfo_file_operations = { + .open = zoneinfo_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release, +}; + static int version_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data) { @@ -589,6 +602,7 @@ void __init proc_misc_init(void) create_seq_entry("slabinfo",S_IWUSR|S_IRUGO,&proc_slabinfo_operations); create_seq_entry("buddyinfo",S_IRUGO, &fragmentation_file_operations); create_seq_entry("vmstat",S_IRUGO, &proc_vmstat_file_operations); + create_seq_entry("zoneinfo",S_IRUGO, &proc_zoneinfo_file_operations); create_seq_entry("diskstats", 0, &proc_diskstats_operations); #ifdef CONFIG_MODULES create_seq_entry("modules", 0, &proc_modules_operations); |