Andi Kleen <[EMAIL PROTECTED]> wrote: > > On Tuesday 28 March 2006 05:00, Andrew Morton wrote: > > Andi Kleen <[EMAIL PROTECTED]> wrote: > > > > > > On Monday 27 March 2006 13:48, Bharata B Rao wrote: > > > > On Mon, Mar 27, 2006 at 07:50:20AM +0200, Andi Kleen wrote: > > > > > > > > > > A 2GB x86-64 desktop system here is currently swapping itself to > > > > > death after > > > > > a few days uptime. > > > > > > > > > > Some investigation shows this: > > > > > > > > > > inode_cache 1287 1337 568 7 1 : tunables 54 27 > > > > > 8 : slabdata 191 191 0 > > > > > dentry_cache 1867436 1867643 208 19 1 : tunables 120 > > > > > 60 8 : slabdata 98297 98297 0 > > > > > > > > > > > > > Would it be possible to try out this experimental patch which > > > > gets some stats from the dentry cache ? > > > > > > It should be trivial to reproduce by other people. Biggest workload > > > is kernel compiles and quilt. > > > > > > After a few hours with -git12 it's already at > > > > > > dentry_cache 947013 952014 208 19 1 : tunables 120 60 > > > 8 : slabdata 50100 50106 480 > > > > > > and starting to go into swap. > > > > > > I can't imagine I'm the only one seeing this? > > > > > > I have a few x86-64 patches applied too, but they don't change anything > > > in this area. > > > > I don't think I can reproduce this on x86 uniproc. (avtab_node_cache > > is a different story - maintainers separately pinged). > > > I got another OOM from this with -git13. Unfortunately it seems to take a few > days at least > to trigger. > > dentry_cache 999168 1024594 208 19 1 : tunables 120 60 8 : > slabdata 53926 53926 0 : shrinker stat 18522624 8871000 > > Hrm interesting is this one: > > sock_inode_cache 996784 996805 704 5 1 : tunables 54 27 8 : > slabdata 199361 199361 0 > > Most of the leaked dentries seem to be sockets. I didn't notice this earlier. > > This was with the debugging patches applied btw. > > So maybe we have a socket leak?
It looks that way. Didn't someone else report a sock_inode_cache leak? > I still got a copy of the /proc in case anybody wants more information. We have this fancy new /proc/slab_allocators now, it might show something interesting. It needs CONFIG_DEBUG_SLAB_LEAK. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
