On Tue, Aug 30 2005, [EMAIL PROTECTED] wrote: > > I ran across a memory leak related to the cfq scheduler. The cfq > init function increments the refcnt of the associated request_queue. > This refcount gets decremented in cfq's exit function. Since blk_cleanup_queue > only calls the elevator exit function when its refcnt goes to zero, the > request_q never gets cleaned up. It didn't look like other io schedulers were > incrementing this refcnt, so I removed the refcnt increment and it fixed the > memory leak for me. > > To reproduce the problem, simply use cfq and use the scsi_host scan sysfs > attribute to scan "- - -" repeatedly on a scsi host and watch the memory > vanish.
Yeah, that actually looks like a dangling reference. I assume you tested this properly? -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
