Messages in this thread | | | Date | Tue, 25 Sep 2012 10:07:14 -0500 | From | Dave Kleikamp <> | Subject | Re: Out of memory on 3.5 kernels |
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On 09/24/2012 05:43 PM, David Rientjes wrote: > On Fri, 21 Sep 2012, Nico Schottelius wrote: > >> Active / Total Objects (% used) : 1165130 / 1198087 (97.2%) >> Active / Total Slabs (% used) : 81027 / 81027 (100.0%) >> Active / Total Caches (% used) : 69 / 101 (68.3%) >> Active / Total Size (% used) : 1237249.81K / 1246521.94K (99.3%) >> Minimum / Average / Maximum Object : 0.01K / 1.04K / 15.23K >> >> OBJS ACTIVE USE OBJ SIZE SLABS OBJ/SLAB CACHE SIZE NAME >> 993607 993607 100% 1.21K 75358 26 2411456K jfs_ip > > Well that doesn't look good. 100% of the inode cache for jfs are being > used which either means > > - there's a memory leak, or
maybe a missing iput() somewhere?
Nico, does unmounting the usb drive after killing the backup clean up the jfs inode cache?
> - there's some sort of throttling issue in jfs. > > And those objects are consuming ~2.3GB of slab on your 4GB machine and > seems to only have occurred between v3.4.2 to v3.5.3.
Almost nothing in jfs has changed between these releases. Only this:
vfs: Rename end_writeback() to clear_inode()
> It would be interesting to see what kmemleak would tell us. > > Adding Dave Kleikamp to the cc. >
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