Memory leak

[David Woodhouse]

On Mon, 2003-03-10 at 14:53, Thomas Gleixner wrote:
> On Monday 10 March 2003 00:10, matsunaga wrote:
> > Yes, I use JFFS2.
> > If you mount a device with a file on JFFS2, a dirent node and a dnode are
> > alloced. But upper layer does not issue, jffs2_clear_inode for an inode of
> > the dnode during unmount. You can see it just by free command if my
> > implementation is not wrong.
> on umount put_super is called
> void jffs2_put_super (struct super_block *sb)
> {
> SNIP
> 	jffs2_free_ino_caches(c);
> 	jffs2_free_raw_node_refs(c);
> 	vfree(c->blocks);
> SNIP
> }
> So everything is freed there. Are you looking at the first line of output from 
> free (Mem:) ? Have a look at the second line (-/+ buffers/cache). If this is 
> worrying you too, then send output of free before mount and after umount.

If you can rmmod jffs2 without a BUG() then it's freed everything in its
own slabs, although it is theoretically possible that it's leaked
something kmalloc'd. Unlikely though.


-- 
dwmw2