On Tue, 13 Nov 2012, Cyrill Gorcunov wrote: > > The question is, how many `struct inotify_inode_mark's are instantiated > > system-wide? Could be millions? > > Well, hard to tell, to be fair. On my testing machine only apache has been > using inotify system as far as I remember, but for sure nothing except memory > limit the number of inotify. But I think if one running machine with millions > of inotify it's rather powerful machine with enough memory. >
Seems easy to determine if you boot with slub_nomerge on the command line and then read /sys/kernel/slab/inotify_inode_mark/objects. On my system, that happens to be 210, but I'm sure you could come up with a realistic synthetic workload to make it much higher. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
