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Date: Thu, 7 Feb 2008 20:55:33 -0800 From: Greg KH <greg@...ah.com> To: Badari Pulavarty <pbadari@...ibm.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, lkml <linux-kernel@...r.kernel.org> Subject: Re: [-mm PATCH] sysdev_unregister() should call kobject_del() On Thu, Feb 07, 2008 at 05:25:46PM -0800, Badari Pulavarty wrote: > On Thu, 2008-02-07 at 16:38 -0800, Greg KH wrote: > > On Thu, Feb 07, 2008 at 03:56:58PM -0800, Badari Pulavarty wrote: > > > Hi Greg, > > > > > > While playing with hotplug memory remove on 2.6.24-mm1, I > > > noticed that /sysfs directory entries are not getting removed. > > > > > > sysdev_unregister() used to call kobject_unregister(). > > > But in 2.6.24-mm1, its only dropping the ref. It should > > > call kobject_del() to remove the object. Correct ? > > > > > > With this change, the directories are getting removed > > > correctly. Comments ? > > > > Ick, no, this shouldn't be needed, someone else must be holding a > > reference to the kobject device somewhere. See the kobject documenation > > for more info. > > > > I'll try to see where we grab 2 references... > > I will take a closer look then. I was taking easy way out :( Hm, I don't see anything obvious in the sys.c core. What code is controlling these objects that you are creating and removing from the system? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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