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Commit 6b6adc22 authored by Pekka Enberg's avatar Pekka Enberg Committed by Linus Torvalds
Browse files

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: default avatarPekka Enberg <penberg@cs.helsinki.fi>
Acked-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent dc512814

fs/proc/proc_misc.c

+17 −0
Original line number Diff line number Diff line
@@ -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);