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| author | Pekka Enberg <penberg@cs.helsinki.fi> | 2008-01-02 13:07:25 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-01-02 10:42:39 -0800 |
| commit | 6b6adc22a01941165d5af9a3e69e28e948b28f47 (patch) | |
| tree | d37ec1318df41660573e09b19282e96288d9acaf /fs | |
| parent | dc512814b5f8b7b80c74d6170b93a606ae4f36c5 (diff) | |
| download | linux-6b6adc22a01941165d5af9a3e69e28e948b28f47.tar.gz linux-6b6adc22a01941165d5af9a3e69e28e948b28f47.tar.bz2 linux-6b6adc22a01941165d5af9a3e69e28e948b28f47.zip | |
slub: register slabinfo to procfs
We need to register slabinfo to procfs when CONFIG_SLUB is enabled to
make the file actually visible to user-space.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/proc/proc_misc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index e0d064e9764e..a11968bc0516 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -451,6 +451,20 @@ static const struct file_operations proc_slabstats_operations = { #endif #endif +#ifdef CONFIG_SLUB +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, + .llseek = seq_lseek, + .release = seq_release, +}; +#endif + static int show_stat(struct seq_file *p, void *v) { int i; @@ -734,6 +748,9 @@ void __init proc_misc_init(void) create_seq_entry("slab_allocators", 0 ,&proc_slabstats_operations); #endif #endif +#ifdef CONFIG_SLUB + create_seq_entry("slabinfo", S_IWUSR|S_IRUGO, &proc_slabinfo_operations); +#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); |