From 6b6adc22a01941165d5af9a3e69e28e948b28f47 Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Wed, 2 Jan 2008 13:07:25 +0200 Subject: [PATCH] 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 Acked-by: Ingo Molnar Signed-off-by: Linus Torvalds --- fs/proc/proc_misc.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index e0d064e976..a11968bc05 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; @@ -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); -- 2.39.2