Good morning, Dave Kleikamp [Tue, Sep 25, 2012 at 10:07:14AM -0500]: > >> 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? Iirc, it does not. I'll check this evening, because doing the backup currently forces me to reboot my productive system. > > - 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() The other obscurity is that the root filesystem is also jfs - it's not only the usb disk. Cheers, Nico -- PGP key: 7ED9 F7D3 6B10 81D7 0EC5 5C09 D7DC C8E4 3187 7DF0 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html