On Sat, Jun 09, 2012 at 01:14:46AM +0300, Kirill A. Shutemov wrote: > > The implementation would be less unpleasant if we could do the > > rcu_barrier() in kmem_cache_destroy(). I can't see a way of doing that > > without adding a dedicated slab flag, which would require editing all > > the filesystems anyway. > > I think rcu_barrier() for all kmem_cache_destroy() would be too expensive.
You've got to be kidding. Please, show us the codepath that would be hot enough to make that too expensive and would contain kmem_cache_destroy(). Note that module unload is *not* a hot path - not on any even remotely sane use. ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Jfs-discussion mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/jfs-discussion
