openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Pekka Enberg 2008-01-02 13:07:25 +02:00 committed by Linus Torvalds
parent dc512814b5
commit 6b6adc22a0
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
fs/proc/proc_misc.c
View File

@ -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;
@ -733,6 +747,9 @@ void __init proc_misc_init(void)
#ifdef CONFIG_DEBUG_SLAB_LEAK
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);